帆布靴不错，但它们不如橡胶靴防水。
Canvas boots are fine, but they're not as waterproof as rubber boots.
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waterproof英 /ˈwɔːtəpruːf/|美 /ˈwɔtərpruf/
解释
waterproof 是由 water（水）和 proof（防...的）组成的复合词。water 指"水"，proof 作为后缀表示"防...的、抗...的"，合起来意思是"防水的"。
Canvas boots are fine, but they're not as waterproof as rubber boots.
waterproof 是由 water（水）和 proof（防...的）组成的复合词。water 指"水"，proof 作为后缀表示"防...的、抗...的"，合起来意思是"防水的"。