Dimercaptosuccinate
二巯基丁二酸
🗣️ 情景例句
I need a new toothbrush. My old one's worn out.
我需要一支新牙刷。旧的用坏了。
A good tale is none the worse for being twice told.
好故事百听不厌。
He may be conceited, ill-mannered, presumptuous or fatuous,
这些年轻人也许狂妄自负，举止无理，傲慢放肆，愚昧无知，