Pfbc
[医][=pentafluoro-benzyl-chloroformate]五氟苯甲基氯甲酸酯
🗣️ 情景例句
Don't count your chickens before they hatch.
心急吃不了热豆腐。
Seeing is believing.
眼见为实。
Every time a worker gave up his job, he told the same story.
每次雇工辞职后都叙述着同样的故事。