Anthracene nucleus
[化] 蒽环
🧩 词语组成解析
n. 蒽\\n[化] 蒽
🗣️ 情景例句
This is he.
我就是。
A liar is worse than a thief.
撒谎比偷窃更可恶。
And he promptly handed the sheet of paper to the gaoler.
说完，他一下子把信递给狱卒。