1、
2、
Silk is produced in glands which make up a large part of a spider's abdomen.
蛛丝出自于蜘蛛的腺体,这些腺体构成了蜘蛛腹部的很大一部分.
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3、
When you have a cold and your throat becomes inflamed, the glands in your neck may swell up.
当你感冒并咽喉发炎时，脖子上的腺体可能会肿胀起来。
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