by twos怎么读

by twos的音标：

相关问题

by twos是什么意思？

两个两个地，成双地...
- #by twos
- #释义
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
- #造句