http://www.pons.de/produkte/3-12-517841-X/（牛津大学出版社授权产品）
turn upon 动词 [美 tərn -, 英 təːn -]
turn upon → turn on
I. turn on 动词 [美 tərn -, 英 təːn -] (v + o + adv, v + adv + o)
1. turn on:
II. turn on 动词 [美 tərn -, 英 təːn -] (v + adv)
1. turn on (switch on):
III. turn on 动词 [美 tərn -, 英 təːn -] (v + prep + o)
1. turn on (attack):
IV. turn on 动词 [美 tərn -, 英 təːn -] (v + o + prep + o) (aim at)
http://www.pons.de/produkte/3-12-517841-X/（牛津大学出版社授权产品）
upon [美 əˈpɑn, 英 əˈpɒn] 介词 书
1. upon (on):
2. upon (indicating imminent or unexpected arrival):
I. turn [美 tərn, 英 təːn] 名词
1.1. turn (rotation):
1.2. turn (change of direction):
1.3. turn (bend, turning):
1.4. turn (change, alteration):
2.1. turn (place in sequence):
2.2. turn in phrases:
3.1. turn (service):
3.2. turn (purpose):
4. turn (form, style):
7. turn (stroll, ride):
II. turn [美 tərn, 英 təːn] 动词 trans
1.1. turn (to rotate):
1.2. turn (to set, to regulate):
2.1. turn (to change the position, direction of):
2.2. turn (to direct, to apply):
3.1. turn (to reverse):
3.2. turn (to upset):
3.3. turn (execute):
4.2. turn (with numbers, to pass):
5.1. turn (to tip out, to transfer):
5.2. turn (to send away, to expel):
6.1. turn (to transform):
6.3. turn (to confuse):
- turn mind
-
III. turn [美 tərn, 英 təːn] 动词 不及物动词
1. turn (to rotate):
2.1. turn (to face in a different direction):
2.2. turn (to change course, direction):
3.1. turn (to become):
3.2. turn (to be transformed):
4. turn (pages, when reading):
I. loose <looser, loosest> [美 lus, 英 luːs] 形
1.1. loose (not tight):
1.2. loose (not secure):
1.3. loose (separate, not packaged):
1.4. loose (not compact):
2. loose (free):
3.1. loose (not precise):
4.1. loose (immoral):
I. advantage [美 ədˈvæn(t)ɪdʒ, 英 ədˈvɑːntɪdʒ] 名词
1. advantage C (superior factor):
2. advantage U (gain):
在《PONS词典》中的词汇
upon [əˈpɒn, 美 -ˈpɑ:n] 介词 书
I. turn [tɜ:n, 美 tɜ:rn] 动词 不及物动词
II. turn [tɜ:n, 美 tɜ:rn] 动词 trans
1. turn key:
2. turn (switch direction):
III. turn [tɜ:n, 美 tɜ:rn] 名词
1. turn (change in direction):
3. turn (period of duty):
5. turn (service):
turn 名词
在《PONS词典》中的词汇
upon [ə·ˈpan] 介词 书
I. turn [tɜrn] 动词 不及物动词
II. turn [tɜrn] 动词 trans
1. turn key:
2. turn (switch direction):
III. turn [tɜrn] 名词
1. turn (change in direction):
3. turn (period of duty):
| I | turn upon |
|---|---|
| you | turn upon |
| he/she/it | turns upon |
| we | turn upon |
| you | turn upon |
| they | turn upon |
| I | turned upon |
|---|---|
| you | turned upon |
| he/she/it | turned upon |
| we | turned upon |
| you | turned upon |
| they | turned upon |
| I | have | turned upon |
|---|---|---|
| you | have | turned upon |
| he/she/it | has | turned upon |
| we | have | turned upon |
| you | have | turned upon |
| they | have | turned upon |
| I | had | turned upon |
|---|---|---|
| you | had | turned upon |
| he/she/it | had | turned upon |
| we | had | turned upon |
| you | had | turned upon |
| they | had | turned upon |
单语范例（未经PONS编辑处理）
A button on the side of the handle is used to simultaneously close the tweezer tips and turn on the high frequency electrical signal.
en.wikipedia.org During the meeting, all the stadium's lights turn on at once.
en.wikipedia.org The command information to turn on the thyristors therefore can not simply be sent using a wire connection it needs to be isolated.
en.wikipedia.org You can go in that big bathroom, turn on the shower and let it steam up the room.
www.huffingtonpost.com His fans turn on him and his films are boycotted.
en.wikipedia.org