| 释义 |
do duty as
释义
担任……的职责：指代替某人或某物承担工作。
充当……的角色：指被用作某种用途。
例句
1·Women do duty as pilots.
妇女如今当起了飞行员。
2·He must have been a very annoying person because he saw it as his duty not only to play devil's advocate for any statement of fact presented to him, but to teach others to do it as well.
他一定挺令人讨厌的，因为他不仅对一切事实唱反调，而且还一以贯之地叫别人也这样做。
3·But he must perform his military duty when called upon by the State to do so, and he must abstain from crime, as well as from kinds of behavior that make a man unpopular.
可是一朝国家召唤，他必须服役，必须避免犯罪，也得避免作出各种不受欢迎的行为。
同义词
代替；起...的作用
replacesubstitute for
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