Naphthonone
[化] 萘托酮; 萘酚酮; 羟萘环己酮
🗣️ 情景例句
Bye.
再见。
A friend in need is a friend indeed.
患难朋友才是真朋友。
The operation, which lasted for over four hours, proved to be very difficult because of the hard resin which covered the skin.
手术持续了4个多小时，非常难做，因为皮肤上覆盖着一层硬硬的树脂。