by twos怎么读

by twos的音标:
相关问题
  • 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....
  • by twos是什么意思?

    两个两个地,成双地...