by twos

1、They began to leave the auditorium by ones and twos.(他们开始三三两两地离开了礼堂。)2、Franklin could (1)countby twos and (2)tie his s...复制

1、They began to leave the auditorium by ones and twos.(他们开始三三两两地离开了礼堂。)

2、Franklin could (1)countby twos and (2)tie his shoes.(富兰克林学会了数奇偶数，他还学会了自己系鞋带。)

3、At dusk, people like to sit in the meadowsby twos and threes about the clear lake, enjoying the cool.(今晚时分，人们喜欢三三两两地坐在明净湖水四周的草地上乘凉。)

4、The children went on an outing hand in handby twos.(孩子们两两地手拉着手出去郊游。)

5、They went out hand in handby twos and threes.(他们三三两两地手拉手出去了。)

6、People began to leave the meeting by ones and twos.(大家三三两两地离开会场。)

7、In the meantime, though, by ones and twos, some Aborigines have managed to succeed.(同时，尽管三三两两地，一些原著民设法成功。)

8、Yin Yuan's house is very simple, not white, is full of color, horsehead walls do not play, in the walls on both sidesby twos and threes to fold.(尹源的房子极为朴素，不着粉白，全是土色，马头墙不张扬，在院墙左右两边三三两两地叠着。)

9、We went to the stationby twos and threes.(我们三三两两地走向车站。)

10、The came to schoolby twos and threes.(他们三两成群地来到了学校。)

11、Franklin could countby twos and ties his shoes.(富兰克林已经会数奇偶数了，他还学会了自己系鞋带。)

12、They leave school by ones and twos.(他们三三两两地离开学校。)

13、After we worked on adding and subtracting my girls added more Numbers to the line and jumpedby twos and threes, working on skip counting.(我们学习了加减法后，孩子们又在数字列上加进许多新的数字，并隔2,3个数字跳来学习跳跃计数。)

by twos

每两人； 成双地； 两个地