首页purifypurify考试真题

purify

英 ['pjʊərɪfaɪ]美['pjʊrɪfaɪ]
  • vt. 净化;使纯净
  • vi. 净化;变纯净

考试真题


We purify the water we drink with a water filter designed for the astronauts' use in space.

2017年12月四级真题(第二套)听力 Section C

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