Pentyloxy
戊氧基
🗣️ 情景例句
Well, tell me about it.
那么， 告诉我吧。
Sadness and gladness succeed each other.
悲喜互继，哀乐相续。
He spent a miserable day in bed thinking of all the fun he was missing.
他在床上郁郁不乐地躺了一天，想着他错过的种种欢乐。