Phenanthrol
[化] 菲酚
??? 情景例句
Anytime. Good luck.
不用謝。祝你好運(yùn)。
I used to take a walk in the early morning.
我過(guò)去常一大早出去散步。
Though in those days, traveling was not as easy as it is today,
盡管在當(dāng)時(shí)旅行不像現(xiàn)在這么容易，