| 释义 |
lead METALledn [U]a very dense, soft, dark-grey, metallic element which is used on roofs and for protection against RADIATION. It is also poisonous.铅The lead pipes in many older houses have been replaced by copper ones.许多老式房屋里的铅管已经被换成铜的。Some types of paint on toys might cause lead-poisoning (= an illness caused by lead) in children.玩具上的某些类型的油漆造成孩子们铅中毒。If something goes down like a lead balloon, it is not popular or successful.不受欢迎，失败Well, your suggestion that we work all weekend went down like a lead balloon.得，你让我们整个周末工作的建议没有被采纳。
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