He is repairing his bicycle.
楼上错误，机器是不会自己修理自己的，要用被动语态。themachineisbeingrepaired.机器正被修理。更地道的版本是：themachineisunderrepair.机器正在修理中.
maintenance in progress, out of service
请问正在修理自行车的英语怎么写（1）人作主语：主动语态翻译She is repairing the bike He is repairing the bicycle(2) 自行车作主语，被动语态The bike is being repaired.The bicycle is being repaired
Repair in progress, stop using it .
正在修理自行车is repairing the bike
“机器正在修理中”"The machine is being repaired"“机器正在修理中”"The machine is being repaired"
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