by twos and threes
基本解释
- 三三兩兩地；零零星星地
英汉例句
- The came to school by twos and threes.
他們三兩成群地來到了學校。 - The students arrived here by twos and threes.
學生們三三兩兩地到這兒了。
chunhua1989.com - After we worked on adding and subtracting my girls added more numbers to the line and jumped by twos and threes, working on skip counting.
我們學習了加減法後，孩子們又在數字列上加進許多新的數字，竝隔2，3個數字跳來學習跳躍計數。