Anhydro ring
[化] 酐环; 内酐环
🧩 词语组成解析
ring
[riŋ]
n. 戒指，指环;铃声，钟声;环形物;拳击场;
vt. 形成环状;环绕;使（例如铃）响;打电话给;
vi. 按铃，敲钟;回响;成环形;
🗣️ 情景例句
That's nothing at all.
不用客气。
What's all this noise?
这可怕的声音是什么？
'Jumbo must weigh a few tons,' said a policeman afterwards, 'so it was fortunate that we didn't have to carry him.
“江伯一定有好几吨重，”一个警察事后这样说，“值得庆幸的是它没让我们抬它走。