caustic remark 尖刻的评论
chemical caustics 化学腐蚀剂
corrosive substances 腐蚀性物质
A: Why is her tone so biting?
A：为什么她的语气这么尖刻？
B: She is known for her sharp caustics in debates.
B：她以在辩论中发表尖刻言论而闻名。
1) 腐蚀剂
2) 尖刻的言语
1. 腐蚀剂，烧灼剂
2. 尖刻的言辞
noun
1. Substances that burn or corrode organic tissue by chemical action.
2. Sarcastic or biting remarks.