Pfeiffer's substance
[化] 普法伊费尔化合物
🧩 词语组成解析
🗣️ 情景例句
I take care of both to the best of my ability.
我尽我所能把两方面都照顾好。
He jests at scars, that never felt a wound.
富人不知穷人苦。
He does exercises every day in the morning.
他每天早上锻练身体。