guard againststh
—phrasal verbwithguardverb[T]uk/ɡɑːd/us/ɡɑːrd/
to takecarefulactioninordertotrytopreventsomething fromhappening
防止,防范
Regularexercisehelpsguardagainstheartdisease.经常锻炼有助于预防心脏病。
单词 | guard against sth |
释义 |
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