His jacket is rainproofed by applying a chemical coating on it.
他的夹克衫上涂了一层化学涂料,能防雨。
词典释义:
vt. 使防水;(rainproof的过去式和过去分词)
His jacket is rainproofed by applying a chemical coating on it.
他的夹克衫上涂了一层化学涂料,能防雨。
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