http://www.pons.de/produkte/3-12-517841-X/（牛津大学出版社授权产品）
I. crop [美 krɑp, 英 krɒp] 名词
1.1. crop (quantity of produce):
1.3. crop (batch):
II. crop <现在分词 cropping; pt, past part cropped> [美 krɑp, 英 krɒp] 动词 trans
crop up 动词 [美 krɑp -, 英 krɒp -] (v + adv)
2. crop up (occur, present itself):
root crop 名词
在《PONS词典》中的词汇
英语
西班牙语
I. crop [krɒp, 美 krɑ:p] -pp- 名词
2. crop (group):
3. crop (haircut):
II. crop [krɒp, 美 krɑ:p] -pp- 动词 trans
在《PONS词典》中的词汇
英语
西班牙语
I. crop [krap] 名词
2. crop (group):
3. crop (haircut):
II. crop <-pp-> [krap] 动词 trans
| I | crop |
|---|---|
| you | crop |
| he/she/it | crops |
| we | crop |
| you | crop |
| they | crop |
| I | cropped |
|---|---|
| you | cropped |
| he/she/it | cropped |
| we | cropped |
| you | cropped |
| they | cropped |
| I | have | cropped |
|---|---|---|
| you | have | cropped |
| he/she/it | has | cropped |
| we | have | cropped |
| you | have | cropped |
| they | have | cropped |
| I | had | cropped |
|---|---|---|
| you | had | cropped |
| he/she/it | had | cropped |
| we | had | cropped |
| you | had | cropped |
| they | had | cropped |
单语范例（未经PONS编辑处理）
Themes of existentialism, architecture, alienation, outer space, and biology crop up frequently, though the lyrics are open-ended enough to warrant multiple interpretations.
en.wikipedia.org This version is often useful in discussions of semi-continuity which crop up in analysis quite often.
en.wikipedia.org Beginning as long ago as 1200, it began to crop up in documents.
en.wikipedia.org Aside from the few functional motifs that crop up here and there, not much else is worth mentioning.
en.wikipedia.org All of them continue to live under the same roof and several misunderstandings crop up.
en.wikipedia.org