他正在骑自行车,但是天开始下雨了:He was riding his bike, but it began to rain
重点词汇释义
正在in process of; in course of
骑自行车ride on a bicycle; bicycle riding; cycle; cyclist
但是but; however; yet; though
开始start; begin; beginning; initial stage; commence
下雨rain; wetness
望采纳O(∩_∩)O谢谢
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