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
Do you frequently surf the net?
你经常上网吗？
Think it over!
好好考虑一下吧！
For them this is a major operation which involves considerable planning.
看戏在他们是件大事，需要精心计划。