同义词： bloodsucker hirudinean
以上来源于: WordNet
N-COUNT A leech is a small animal which looks like a worm and lives in water. Leeches feed by attaching themselves to other animals and sucking their blood. 水蛭; 蚂蟥
N-COUNT If you describe someone as a leech, you disapprove of them because they deliberately depend on other people, often making money out of them. 寄生虫 [表不满]
They're just a bunch of leeches living off others!
他们只不过是一帮靠别人生活的寄生虫！
V to use leeches to suck the blood of (a person), as a method of medical treatment 用水蛭吸(人)血
The liquid byproducts that leeched from meat preserved in this way were commonly used as liquid seasonings for other foods.
这种夺走肉类鲜味的液体的副产品被广泛用作其他食物的调味料。
And we went into the poisonous giant tubers, like the yam and the taro, which also had to be leeched, ground up and cooked before we could eat them.
我们也寻找到了那些带有毒性的、个头颇大的块茎，像山药、芋头，这些在食用之前得经过榨取、提炼和烹饪。
But the difference is, on Earth, most of the carbon has been leeched over time out of the atmosphere, deposited in the ground as coal, oil, natural gas, etc.
但是区别在于，在地球上，大多数的碳元素已被从空气中吸取，储存在地下，以煤、石油、天然气等形式。
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