| 单词 | guard² |
| 释义 | guard²v [t]to protect someone or something from being attacked or stolen, or to prevent a prisoner from escaping 守卫，保卫，保护; 看守guard against sthto 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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