Ring-opening copolymerization
[化] 開環共聚合
?? 詞語組成解析
ring
[ri?]
n. 戒指，指環;鈴聲，鐘聲;環形物;拳擊場;
vt. 形成環狀;環繞;使（例如鈴）響;打電話給;
vi. 按鈴，敲鐘;回響;成環形;
opening
['op?n??]
n. 開幕，開始;空缺的職位;[商]開盤，交易開始時間;（職位的）空缺;
adj. 首次的，開始的;
v. （打）開( open的現在分詞);開始;睜開;啟動;
open 開；開始+ ing 名詞后綴 → 開始的\r\n
n. 共聚作用, 異分子聚合\\n[化] 共聚; 共聚反應
??? 情景例句
Who is that?
那是誰呀？
I ask him to wait a few minutes.
我要求他等幾分鐘。
It had broken down the previous summer, and though I promised to repair it, I had never got round to it.
那臺割草機去年夏天就壞了，盡管我答應修，但一直沒抽出時間，