Nitrum
[化] 天然碱
🗣️ 情景例句
The bank canceled his loan and took back his car.
银行取消了他的贷款并收回了他的车。
I'm sorry to have kept you waiting.
很抱歉，让你久等了。[分词作状语]
Such an attempt only aggravates the strain of mental effort.
这种愿望只能加剧精神紧张。