单词 | guard against sth |
释义 | guard against sth to try to prevent sth or stop sth happening 防止,预防(某事物发生) guard against sthphr v [t]to try to prevent something from happening by being careful 预防,防止:◇exercise can help guard against a number of serious illnesses. 运动可以预防多种严重疾病。 |
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