Melonal
甜瓜醛 2, 6-二甲基庚烯-5-醛
🗣️ 情景例句
Who jammed the photocopier, again?
谁又把复印机卡住了？
I'm sorry to keep on coughing.
我不停地咳嗽，真是抱歉。
NASA is now going to put the telescope right,
国家航天局准备纠正这一错误，