Xanthene ketone
[建] 二苯喃酮
🧩 词语组成解析
n. [化] (夹)氧杂蒽
ketone
['ki:toʊn]
n. 酮;
🗣️ 情景例句
He felt that his life was no longer worth living.
他觉得他的生命已经没有再活下去的价值了。
It's up to you.
由你决定。
Happy birthday! they said.
“生日快乐！”他们说。