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
I would like to lodge a complaint.
我有些怨言。
He is a promising young man.
他是个有出息的年轻人。[分词作定语]
From the moment of his birth, the customs into which he is born shape his experience and behaviour.
从他呱呱坠地的时刻起，他所生于其中的风俗就开始塑造他的经历和行为规范。