by twos and threes

常见例句

双语例句

• The came to school by twos and threes.
  他们三两成群地来到了学校。
• The students arrived here by twos and threes.
  学生们三三两两地到这儿了。
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• 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。
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