| 释义 |
1 ?铅盖 ... 铅试纸：lead indicating paper,tetra base paper 铅盖;铅封：lead cover 铅笔书写纸，铅芯包装纸：lead pencil paper ... 2 ?铅封 ... 铅试纸：lead indicating paper,tetra base paper 铅盖;铅封：lead cover 铅笔书写纸，铅芯包装纸：lead pencil paper ...
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He said, "This is wickedness," and he pushed her back into the basket and pushed the lead cover down over its mouth. 天使说：“这就是‘邪恶’。”他把妇人推回量篮里，在量篮口上，盖上沉重的铅盖。 - 2
Okay. And let's cover these also up, because this sulfuric acid ugh! So your lead battery in your car works with the same idea, except this is lead oxide and this is lead. 好吧，把这些盖起来，因为这硫酸,你车里的铅蓄电池,也是一样的工作原理，除了这是一氧化铅而这是铅。 - 3
If your old house has lead paint in good condition, cover it with fresh paint rather than removing it, which releases lead dust into the air. 如果你的房子曾经刷过含铅的油漆，并且漆层还比较好，最好的方法是用新的不含铅的油漆覆盖旧的漆层，而不是去除老的含铅的漆层，因为这样做，铅尘反而排放到空气当中了。
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