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
went to the Thanksgiving Day parade?
去参加感恩节游行吗
I'm afraid I have bad news for you.
恐怕我有坏消息要告诉您。
What is the price difference?
价钱差多少？