Phenylbiphenylyl oxadiazole (pbd)
[化] 苯基联苯基┭二唑
🗣️ 情景例句
Oh yes, the May Fourth Movement. I've read about it.
哦，是的，五四运动，我听说过。
She was so stunned, that she couldn't speak.
她惊愕得说不出话来。
no crowd or movement in which he may take comfort,
找不到伙伴和活动使自己得到安逸。