Backsight
n. 后视, 表尺缺口
🗣️ 情景例句
Do you mind if I smoke?
我抽烟你介意吗？
You have to change at chicago station.
你必须要在芝加哥站转车。
I had left it on a chair beside the door and now it wasn't there!
我曾把它放在门边的椅子上，可这会儿不见了！