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a. 无印痕的, 不留印痕的\\n[计] 无印痕的
✅ 同义词
🗣️ 情景例句
I am studying two majors, and it's quite a burden on my time.
我有两门主修课，这占据了我很大一部分时间。
Poverty and hunger drove them to steal.
贫穷和饥饿迫使他们偷窃。
the varieties are infinite; but two classes may be roughly seen.
鸟的飞行方式千差万别，但大体上可分为两类。