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
Richard is a real Stewart. Richard
是个典型的Stewart家后代。
The one on your right.
你右边的那个。
I was so excited that I wanted to tell the whole world what we had found.
我激动得想要告诉全世界我们发现了什么。