他在骑自行车英文怎么说

"He is riding a bicycle" 是英文表达"他在骑自行车"的方式。

这个表达来源于英语的动词短语"ride a bicycle"，表示骑自行车的意思。

例句:

"John is riding his bike to work every day."
(约翰每天都骑自行车去上班。)
"She loves to ride her bicycle through the park on a sunny day."
(她喜欢在阳光明媚的日子里骑自行车穿过公园。)

完整翻译:

"John is riding his bike to work every day."
(约翰每天都骑自行车去上班。)
"She loves to ride her bicycle through the park on a sunny day."
(她喜欢在阳光明媚的日子里骑自行车穿过公园。)