Polar link
[化] 极性键
🧩 词语组成解析
link
[lɪŋk]
n. 环，节;[计算机]链接;关联，关系;
vt. 连结;挽住，勾住;
vi. 用环连接;联系在一起;
🗣️ 情景例句
Good-bye.
再见。
My watch says two o'clock.
我的表是两点钟。
Her husband had built up a large business during his lifetime, and when he died ten years ago in 1989 he left all his money to his wife.
她的丈夫一生中逐步建立起一家大商行，而当他10年前即于1985年去世后，他把全部财产留给了他的妻子。"