Caustic chemical substances are very powerful and can dissolve other substances.
例句
...caustic cleaning agents...强腐蚀性的洗涤剂Remember that this is caustic; use gloves or a spoon.别忘了，这东西具有腐蚀性;戴上手套或用勺子。
ADJ-GRADED
(语言)刻薄的，尖刻的
A caustic remark is extremely critical, cruel, or bitter.
例句
His abrasive wit and caustic comments were an interviewer's nightmare...他睿智刁钻，评论尖刻，对任何采访他的人而言都是梦魇。He was often caustic and mocking, or flew into rages.他常常讽刺或挖苦人，有时又会大发雷霆。