Nitrito-
[化] 亚硝酸; 亚硝酸基
🗣️ 情景例句
Have you had dinner yet?
你吃晚饭了吗？
Don't climb a tree to look for fish.
勿缘木求鱼。
It was not long before a helicopter arrived on the scene to rescue the survivors of the plane crash.
不久，一架直升飞机飞抵飞机失事现场，来搭救这几个幸存者。