Nine-membered ring
[化] 九元环
🧩 词语组成解析
nine
[naɪn]
num. 九;九个;第九;
n. 九，九个;
adj. 九的，九个的;
a. 分成几部分的；由几个部分组成的；有手脚的
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;
🗣️ 情景例句
Seven letters ... two words ...
七个字母……两个字……
Do you usually play piano during the holidays?
你通常在假日期间弹钢琴吗？
but few us have had the opportunity to find out.
但很少有人能有机会去弄个究竟。