排人;The violinist walked on the stage and the duo became a trio.
那位小提琴家走上台, 二重奏变成了三重奏组。
演者The violinist walked on the stage and the duo became a trio.
那位小提琴家走上台, 二重奏变成了三重奏组。
When we get to duos it becomes hellishly complicated.
二重奏来说，这就更是复杂得恐怖了。
United's goalscoring duo.
曼联
进球组合。
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