Leptin
n. 瘦蛋白
??? 情景例句
I'll try it.
我試試吧。
I didn't sleep well.
我沒睡好。
As it is, they have been drilling for sixteen hours and they still have a long way to go.
實(shí)際情況是，他們已連續(xù)鉆了16個小時了，但離鉆透還早著呢。