Without sufficient pollination, the growth of the corn is stunted.
没有充足的授粉,玉米的生长就会受阻。
Corn is America's most important grain.
玉米是美国最重要的谷物。
Candy corn is my favorite Halloween candy.
玉米糖是我最喜欢的万圣节糖果。
Bt is used as a pesticide to fight cotton bollworms, corn borers and other pests.
VOA: special.2009.10.27
As we'll talk about later in the class, the biodiversity has shrunk so what used to be hundreds of varieties of corn is now just a few.
像我们后面所要提到的,玉米种群的生物多样性已经从曾经的,几百种减少到了现在的几种
Okay. Then you can look at how many things like cows are raised in the United States, and how many acres there are of carrots, or wheat, or corn, or whatever it is.
好了,然后就可以看看,比如,美国养了多少头牛,种植了多少英亩的胡萝卜,小麦,玉米,或其他东西
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