Closed-ring hydrocarbons
[建] 闭环烃
🧩 词语组成解析
closed
[klozd]
adj. 关闭着的，封闭着的;密闭着的，保密的;<美>准备好了的，定了契约的;
v. “close”的过去式和过去分词;
clos=close关闭+ed已...的→关闭了的
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;
n. <化>碳氢化合物, 烃( hydrocarbon的复数形式 )
🗣️ 情景例句
The Molinas are a large family.
Molina家是一个大家庭。
A spot is most seen on the finest cloth.
最清洁的布上，污点特别显眼。
It's between the post office and the hospital.
它就在邮电局和医院之间。