Five carbon ring naphthene
[化] 五碳环烷
🧩 词语组成解析
five
[faɪv]
num. 五，五个;与某人击掌问候（或庆祝胜利）;第五;
n. 五，五个;5美元钞票;[板]得五分;
adj. 五的;五个的;
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] (石油)环烷, 环烷(属)
🗣️ 情景例句
How about tomorrow?
明天怎么样？
Suppose you couldn't go on the trip.How would you feel?
假定你不能继续你的旅行，你将感觉如何？
Before you leave the lab, make sure the electricity is turned off and the windows are shut.
你们离开实验室前，务必要关上电源，关好窗户。