Variopter
(滑动)光学计算尺
🗣️ 情景例句
Well, Grandpa, you're about five-nine or five-ten.
嗯， 爷爷。你大概是五英尺九或者五英尺十。
Lost sleep
失眠
I think we may be able to work together in the future.
我想也许将来我们可以合作。