Phenylbiphenylyl oxadiazole (pbd)
[化] 苯基联苯基┭二唑
🗣️ 情景例句
Mainly for the sports meet and also for sightseeing, I think.
主要是来参加运动会，我想也是为观光而来。
You were lucky to find it.
你的运气真好。
Is that the office manager over there?
在那边的那位是经理吧？