The students came into the classroom in twos and threes 一句中为
The students came into the classroom in twos and threes 一句中为何用twos and threes The students came into the classroom in twos and threes 一句中为何用twos and threes
三三两两的 例句: They sat in twos and threes on the trim barbered lawn. 他们三三两两地坐在修剪平整的草坪上。 The students are coming into the classroom by twos and threes. 学生们正三三两两地走进教室。