Common ring
[化] 普通環
?? 詞語組成解析
common
['kɑm?n]
adj. 普通的;通俗的;[數學]公共的;共有的;
n. [法律]（對土地、水域的）共有權;公共用地;普通;平民;
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;
??? 情景例句
It's crowded in here.
這里太擠了。
Friends are like fiddle-strings,they must not be screwed too tight.
朋友有如琴弦，不能上的太緊。
There is no social problem it is more incumbent upon us to understand than this of the role of custom.
而沒有任何一個社會問題比得上風俗的作用問題更要求我們對它理解。