✔ 最佳答案
one by one 在不同地方可以有不同用法:
日常用:
一個跟一個
1. The students enter the classroom one by one.
2. One by one, the shops in the shopping mall closed.
數學上:
一乘一 (說到面積時)
The measurement of this square is one by one (any measurement unit).
可以是一米乘一米,一碼乘一碼,一呎乘一呎或者一吋乘一吋,但雙方先要有共識.
2007-08-02 15:15:56 補充:
有時會出現 two by two, three by three, four by four, 在數學上的matrix最常見, 又或者在列隊時亦常用到