趣英语 / by twos是什么意思？

by twos是什么意思？


两个两个地，成双地

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  • by twos怎么读

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  • by twos造句

    They left by twos and threes.他们三三两两地离开.The students are coming into the classroom by twos and threes.学生们正三三两两地走进教室.They came in by twos and threes.他们三三两两地进来....