Pfbc
[医][=pentafluoro-benzyl-chloroformate]五氟苯甲基氯甲酸酯
🗣️ 情景例句
What basic principles do you apply to your life?
你在生活中最基本原则是什么？
Put the shoe on the right foot.
责备应受责备者，表扬应受表扬者。
Past experience has taught us that certain accomplishments are beyond attainment.
以往的经验告诉我们有些事是办不到的。