caustic cleaning agents腐蚀性清洁剂

Remember that this is caustic; use gloves or a spoon.记住这东西有腐蚀性；使用时戴上手套或者用匙子舀。

His abrasive wit and caustic comments were an interviewer's nightmare.他机智刁钻, 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.他经常很刻薄, 还喜欢嘲笑人, 要么就大发脾气。