这些名词均含有“收成”之意。
crop : 普通用词，侧重指农作物一次收割或一季的收成。
- a fall in this year's coffee crop
今年咖啡产量的下降 - We are looking forward to a bumper crop (= a very large one).
我们期盼着大丰收。
harvest : 主要指农作物或水果的收获量，有时也指收割的行为。
- the grain/potato/grape harvest
谷物／土豆／葡萄收获期 - We had a good harvest this year.
今年我们收成不错。 - Farmers are reporting a bumper (= very big) harvest this year.
农民说今年的收成非常好。 - It won't be long now till harvest (time).
现在离收获时节不远了。
yield : 指生产物，农作物的总产量。
- Crop yields have risen steadily.
农作物产量稳步增长。 - Yields on gas and electricity shares are consistently high.
天然气与电力股票的收益一直很高 - a high crop yield
作物丰收 - a reduction in milk yield
牛奶产量的降低 - This will give a yield of 10% on your investment.
这会给你的投资带来10%的利润。
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