Lactone ring five membered
[建] 五节内酯环
🧩 词语组成解析
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;
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;
🗣️ 情景例句
From the moment he arrived there, he kept on pestering his doctor to tell him when he would be able to go home.
从他进医院那一刻时,他就缠住医生,让医生告诉他什么时候能回家。
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