Backstep
后退
🗣️ 情景例句
No, no, you were right. I was wrong.
确实不容易 说对了。我错了。
Fill it up with unleaded and check the oil,please.
请加满不含铅的汽油，并检查一下机油。
I have to transfer to No. ll bus, but where is the bus stop?
我需要换乘11路公共汽车，但是汽车站在哪儿？