per·sis·tent [pəˈsɪstənt, 美 pɚˈ-] 形
1. persistent (long lasting):
- persistent difficulties
-
- persistent cough, rumour
-
2. persistent (constant):
3. persistent (persevering):
I. leaf <pl leaves> 名词 [li:f, pl li:vz]
1. leaf (part of plant):
2. leaf no pl (complete foliage):
3. leaf dated (of paper):
4. leaf:
II. leaf 动词 不及物动词 [li:f]
1. leaf (of book, periodical):
-
- etw durchblättern
2. leaf GARTENB:
-
- 瑞 a. ausschlagen
I. base1 [beɪs] 名词
1. base (bottom):
2. base (basis):
3. base:
4. base (main location):
5. base (main ingredient):
6. base:
9. base 数学:
12. base (base station of a cordless phone):
13. base 体育 (in baseball):
短语，惯用语:
persistent 形
persistent leaf base 名词
| I | leaf |
|---|---|
| you | leaf |
| he/she/it | leafs |
| we | leaf |
| you | leaf |
| they | leaf |
| I | leafed |
|---|---|
| you | leafed |
| he/she/it | leafed |
| we | leafed |
| you | leafed |
| they | leafed |
| I | have | leafed |
|---|---|---|
| you | have | leafed |
| he/she/it | has | leafed |
| we | have | leafed |
| you | have | leafed |
| they | have | leafed |
| I | had | leafed |
|---|---|---|
| you | had | leafed |
| he/she/it | had | leafed |
| we | had | leafed |
| you | had | leafed |
| they | had | leafed |
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单语范例（未经PONS编辑处理）
These cycads are generally unbranched, tall, and with persistent leaf bases.
en.wikipedia.org The trunk is very rough with the persistent leaf bases clasping the stem as layers of coarse fibrous material.
en.wikipedia.org The trunks are bare at the bottom but retain persistent leaf bases in its youngest parts; enlarged paper-like appendages, ocreas, form where the petioles meet the stem.
en.wikipedia.org Much has been done to take the politics out of the base closing process.
www.texastribune.org The recipe is a closely guarded secret, but we do know that it has a tomato base, augmented by malt vinegar, dates, tamarind and rye flour.
www.huffingtonpost.com 互联网提供的例句（未经PONS编辑处理）
[...]
www.bmbf.de The persistent dynamics of technological development and global change create permanent challenges for Germany s innovation system.
[...]
Die anhaltende Dynamik technologischer Entwicklungen und des globalen Wandels stellt Deutschlands Innovationssystem permanent vor große Herausforderungen.
[...]
www.fiskalrat.at Recommendations of the Government Debt Committee On the backdrop of the persistent financial and economic crisis, the high public-debt level, the EU legal measures on budget discipline and under the present economic framework conditions expected for the year 2013, the Government Debt Committee recommends the following:
[...][...]
Der Staatsschuldenausschuss empfiehlt vor dem Hintergrund der anhaltenden Finanz- und Wirtschaftskrise, der hohen Staatsverschuldung, der unionsrechtlichen Vorschriften über die Haushaltsdisziplin und unter den derzeit zu erwartenden ökonomischen Rahmenbedingungen für das Jahr 2013 Folgendes:
[...][...]
www.egms.de A standard staging system for inverted papillomas of the nose and the paranasal sinuses is preferable for staged therapy regimes – especially against the background of the persistent discussion on first line surgical therapy.
[...][...]
Eine einheitliche Klassifikation invertierter Papillome der Nase und Nasennebenhöhlen ist für einen stadiengerechten Vergleich der Behandlungsergebnisse wünschenswert–insbesondere vor dem Hintergrund der anhaltenden Diskussion über die optimale operative Behandlungsstrategie.
[...][...]
arezzo.guidatoscana.it The reserve covers the Poggio Pian della Croce and accounts for the tourist nature of an interesting ideal for spring and summer trips, characterized by persistent number of rocks on which it was developed a considerable vegetation that characterizes the landscape, giving it a desolate and wild aspect.
[...]
Das Naturschutzgebiet umfasst die Poggio Pian della Croce und Konten für den Touristen der Natur eine interessante ideal für Frühling und Sommer Ausflüge, zeichnet sich durch anhaltende Zahl der Felsen, auf dem er entwickelt wurde, eine erhebliche Vegetation charakterisiert, dass die Landschaft, die ihr ein "desolaten und wilde Aspekt.
[...]
www.infratest-dimap.de The positive image of the Pirates and the persistent criticism of the Liberals are also reflected in the political mood:
[...][...]
Die positive Resonanz auf die Piraten und die anhaltende Kritik an der FDP schlägt sich auch in der politischen Stimmung nieder:
[...]