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1·The potatoes cropped well this year.

今年马铃薯丰收。《牛津词典》

2·She cropped her hair and dyed it blonde.

她把头发剪短并染成了金色。《柯林斯英汉双解大词典》

3·The river valley is intensively cropped.

河谷里种满了庄稼。《牛津词典》

4·His name just cropped up in conversation.

交谈时无意中就提到了他的名字。《牛津词典》

5·I'll be late—something's cropped up at home.

我要晚一点来，家里突然出了点事。《牛津词典》

6·Women athletes wear cropped tops and tight shorts.

女运动员身着短上衣和紧身短裤。《柯林斯英汉双解大词典》

7·His name has cropped up at every selection meeting this season.

他的名字出人意料地出现在了本季的每次选拔会上。《柯林斯英汉双解大词典》

8·That matters because theory suggests that the maximum sustainable yield that can be cropped from a fishery comes when the biomass of a target species is about 50% of its original levels.

这一点很重要，因为理论表明，当目标鱼种的生物量为其原始水平的50%左右时，渔场才能达到可收获的最大可持续产量。

9·Problems have cropped up.

问题来了。《新英汉大辞典》

10·New difficulties cropped up [arose].

发生新的困难。《新英汉大辞典》

(1)in crop(土地)种着庄稼

(1)crop yield粮食产量，作物产量；谷物收获量

(1)crop production作物生产，种植业

(1)grain crop榖类作物，谷类作物

(1)crop up突然出现

(1)main crop主要农作物；主林木；主伐林木