Naphthonone
[化] 萘托酮; 萘酚酮; 羟萘环己酮
🗣️ 情景例句
Are you worried?
你担心吗
Don't speak all you know, but know all you speak.
不要尽言所知，而要尽知所言。
As it is only six feet across, it is barely noticeable.
仅6英尺宽，很难被发现。