Cyclobutanone
环丁酮
🗣️ 情景例句
Harry, you didn't turn it down because of me …
Harry你拒绝它该不是因为我……
What do you do for relaxation?
你做什么消遣？
the story of a galleon that sank at the start of her maiden voyage in 1628 must be one of the strangest tales of the sea.
在1628年，一艘大帆船在处女航开始时就沉没了，这个流传至今的故事无疑是航海史上最离奇的事件之一。