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 want to find a job in the publishing industry after graduation.
我毕业后希望能找到出版类的工作。
We're having some friends over. What are you doing?
我们打算请几位朋友来玩。你打算干什么呢？
or through hiring it, the total expense can be far less than the cost of hotels.
总费用算起来要比住旅馆开支少得多。