step by step什么意思(被by过什么意思是什么)
by,被、由,常用语被动语态。I was attacked by a dog.我被一条狗袭击。by,通过、使用。They travelled t Chicago by train.他们乘火车去芝加哥。by,在旁边、附近。A crowd of people were standing by,waiting for an announcement.一群人站在边上等待消息公布。
本文到此结束,希望对大家有所帮助。
本文到此结束,希望对大家有所帮助。