Backsight
n. 后视, 表尺缺口
🗣️ 情景例句
I push myself very hard to do well.
为了干得好，我给自己很大压力。
What's the basis of your belief that the product is safe?
你凭什么相信产品是安全的？
Tickets, please.
请把车票拿出来。