Caustic chemical substances are very powerful and can dissolve other substances.
例句
...caustic cleaning agents...強腐蝕性的洗滌劑Remember that this is caustic; use gloves or a spoon.別忘了，這東西具有腐蝕性;戴上手套或用勺子。
ADJ-GRADED
(語言)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...他睿智刁鉆，評論尖刻，對任何采訪他的人而言都是夢魘。He was often caustic and mocking, or flew into rages.他常常諷刺或挖苦人，有時又會大發雷霆。