Pyrrolidine ring
[医] 吡咯烷环
🧩 词语组成解析
吡咯烷, 氮杂戊环, 四氢化吡咯
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
Try this. It's size eight.
试试这一件。尺码是八号。
Bare words,no bargain.
空言不能成交易。
Manners are quite different from country to country.
各国的礼仪各不相同。