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I. back up 动词 [美 bæk -, 英 bak -] (v + o + adv, v + adv + o)
1. back up (support):
http://www.pons.de/produkte/3-12-517841-X/（牛津大学出版社授权产品）
http://www.pons.de/produkte/3-12-517841-X/（牛津大学出版社授权产品）
I. back [美 bæk, 英 bak] 名词
1. back C 解剖:
2.1. back C:
2.2. back C (reverse side):
2.3. back C:
3. back C or U (rear part):
II. back [美 bæk, 英 bak] 形 attr, no 比较级
III. back [美 bæk, 英 bak] 副
1. back (indicating return, repetition):
2. back (in reply, reprisal):
3.1. back (backward):
3.2. back (toward the rear):
4. back (in, into the past):
IV. back [美 bæk, 英 bak] 动词 trans
2. back (reverse):
4. back (lie behind):
V. back [美 bæk, 英 bak] 动词 不及物动词
1. back (move backward):
I. take back 动词 [美 teɪk -, 英 teɪk -] (v + o + adv, v + adv + o)
1. take back (return):
3. take back (accept back):
I. scratch [美 skrætʃ, 英 skratʃ] 名词
1.1. scratch C (injury):
1.4. scratch C (act) 无复数:
3. scratch in phrases:
II. scratch [美 skrætʃ, 英 skratʃ] 动词 trans
1.2. scratch (with claws, nails):
1.4. scratch (to relieve itch):
3. scratch (scribble hurriedly):
III. scratch [美 skrætʃ, 英 skratʃ] 动词 不及物动词
1.4. scratch (make scratching sound):
IV. scratch [美 skrætʃ, 英 skratʃ] 形 attr
2. scratch (haphazard, motley):
- scratch team/meal
-
I. keep back 动词 [美 kip -, 英 kiːp -] (v + adv)
II. keep back 动词 [美 kip -, 英 kiːp -] (v + o + adv, v + adv + o)
1. keep back (prevent from advancing):
3. keep back (not reveal):
I. hold back 动词 [美 hoʊld -, 英 həʊld -] (v + o + adv, v + adv + o)
1. hold back (restrain):
2. hold back (withhold, delay):
II. hold back 动词 [美 hoʊld -, 英 həʊld -] (v + adv)
1. hold back (restrain oneself):
2. hold back (delay, withhold):
I. hand [美 hænd, 英 hand] 名词
1. hand 解剖:
2. hand (in phrases):
3.1. hand (agency):
3.2. hand (assistance) 俗:
3.3. hand <hands, pl > (possession, control, care):
4. hand (side):
5.1. hand 游戏 (set of cards):
6.1. hand (worker):
6.2. hand 航海:
6.3. hand (experienced person):
7. hand (applause) 俗 无复数:
8. hand (handwriting):
9. hand (on a clock):
II. hand [美 hænd, 英 hand] 动词 trans
go back 动词 [美 ɡoʊ -, 英 ɡəʊ -] (v + adv)
1.1. go back (return, go home):
1.2. go back (in lecture, discussion, text):
1.3. go back (be returned):
2.1. go back (date, originate):
2.2. go back (return in time, revert):
I. backward [美 ˈbækwərd, 英 ˈbakwəd] 形
1. backward attr movement/somersault:
II. esp 英 backwards -z 副
1. esp 英 backwards -z (toward rear):
3. esp 英 backwards -z (back to front, in reverse order):
短语，惯用语:
I. up [美 əp, 英 ʌp] 副 up often appears as the second element of certain verb structures in English (back up, pick up, sit up, etc). For translations, see the relevant verb entry (back, pick, sit, etc).
1.1. up (in upward direction):
1.2. up (upstairs):
2.1. up (of position):
2.3. up (raised, pointing upward):
2.4. up (removed):
3.1. up (upright):
3.2. up (out of bed):
4.1. up (of numbers, volume, intensity):
4.2. up (in league, table, hierarchy):
5.1. up (in or toward north):
5.2. up (at or to another place):
5.3. up (in or toward major center) esp 英 :
5.4. up (at or to university) esp 英 :
6.1. up (in position, erected):
7. up (going on) 俗:
8. up (finished):
9.1. up 体育 (ahead in competition):
10. up (under consideration):
12.2. up (confronted by):
13.1. up (vertically):
14. up:
15. up:
17.1. up (as far as):
17.2. up (as many as, as much as):
17.3. up (equal to):
17.4. up (capable of):
17.5. up (depending on):
短语，惯用语:
II. up [美 əp, 英 ʌp] 介词
1.1. up (in upward direction):
1.2. up (at higher level):
1.3. up (on scale):
2.1. up (along):
2.2. up (further along):
III. up [美 əp, 英 ʌp] 形
IV. up <现在分词 upping; pt, past part upped> [美 əp, 英 ʌp] 动词 trans 俗
V. up <现在分词 upping; pt, past part upped> [美 əp, 英 ʌp] 动词 不及物动词
VI. up [美 əp, 英 ʌp] 名词
come up to 动词 [美 kəm -, 英 kʌm -] (v + adv + prep + o)
1. come up to (reach as far as):
2. come up to (attain):
在《PONS词典》中的词汇
在《PONS词典》中的词汇
在《PONS词典》中的词汇
I. back [bæk] 名词
1. back:
3. back 解剖:
短语，惯用语:
III. back [bæk] 副
1. back:
2. back (to the rear, behind):
I. up [ʌp] -pp- -pp- 副
1. up (movement):
3. up (more volume or intensity):
4. up (position):
5. up 引 (state):
6. up (limit):
II. up [ʌp] -pp- -pp- 介词
2. up (higher):
III. up [ʌp] -pp- -pp- 名词
VI. up [ʌp] -pp- -pp- 形
1. up (position):
在《PONS词典》中的词汇
在《PONS词典》中的词汇
在《PONS词典》中的词汇
I. back [bæk] 名词
1. back:
3. back 解剖:
III. back [bæk] 副
1. back:
2. back (to the rear, behind):
I. up [ʌp] 副
1. up (movement):
3. up (position):
4. up (limit):
II. up [ʌp] 介词
2. up (higher):
VI. up [ʌp] 形
1. up (position):
| I | back up |
|---|---|
| you | back up |
| he/she/it | backs up |
| we | back up |
| you | back up |
| they | back up |
| I | backed up |
|---|---|
| you | backed up |
| he/she/it | backed up |
| we | backed up |
| you | backed up |
| they | backed up |
| I | have | backed up |
|---|---|---|
| you | have | backed up |
| he/she/it | has | backed up |
| we | have | backed up |
| you | have | backed up |
| they | have | backed up |
| I | had | backed up |
|---|---|---|
| you | had | backed up |
| he/she/it | had | backed up |
| we | had | backed up |
| you | had | backed up |
| they | had | backed up |
无例句可用
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单语范例（未经PONS编辑处理）
The police were able to hold back the crowd at first, using clubs to hit anyone who attempted to interfere.
en.wikipedia.org An upstream reservoir to hold back flood water was also proposed.
en.wikipedia.org The arch dam design is an ideal one for a dam built in a narrow, rocky gorge to hold back water in a reservoir.
en.wikipedia.org The dam depends on 117,000 cubic yards of concrete, and 600,000 yards of dirt fill to hold back the water.
en.wikipedia.org This gives them a special sensitivity in relationships, knowing when to show warmth and when to hold back.
en.wikipedia.org