Caustical
a. 腐蚀性的；苛性的；刻薄的；焦散的 (caustic的变形)
🗣️ 情景例句
Yes, sir.
是的 ，先生。
Tom's been feeling blue ever since his divorce.
自离婚以来，汤姆一直很忧郁。
However, rescue operations are proving difficult.
然而，事实证明营救工作非常困难。