4周搞定2000+托福核心词
bulletproof = bull(沸腾) + et(名词) + proof(防) = 防子弹的→防弹的
rustproof = rust(锈) + proof(防) = 防锈→防锈的
防水的
waterproof
常考释义
The young trees were used as supports for lodgings, with the waterproof bark used as roofing.
用于盖房而用防水的树皮盖屋顶。
来源于：听力OFFICIAL7 L3adj. （设备、手表）防水的；（服装、防潮布）防水的，不透水的
Is this jacket waterproof?
这件上衣防水吗？
It's airtight, waterproof, you can roll around in a pool.
它是密闭的, 防水的, 你可以在游泳池里打滚。
来自《犯罪现场调查 第14季第8集》
图片源自网络
The young trees were used as supports for lodgings, with the waterproof bark used as roofing.
用于盖房而用防水的树皮盖屋顶。
来源于：听力OFFICIAL7 L5n. 防水衣；雨衣
Sitting there in a well - worn waterproof, she talked with striking familiarity of the courts of Europe.
她坐在那儿,穿着一件旧雨衣, 谈笑自若,显得对欧洲各国的风土人情多么熟悉。
vt. 使能防水
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