Common time
n. 普通拍子, 四分之四拍
?? 牛津釋義
common time
(music 音) two or four beats (esp four crotchets) in a bar 普通拍子（每小節兩拍或四拍, 尤指四個四分音符）.
?? 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;
time
[ta?m]
n. 時間;時刻;時代;次;
vt. 為…安排時間;測定…的時間;調準（機械的）速度;撥準（鐘、表）的快慢;
vi. 合拍;和諧;打拍子;
adj. 定時的;定期的;[美國英語]分期（付款）的;
int. [體育]時間到，（一場或一局等的）比賽時限，暫停;
??? 情景例句
That's like closing the gate after the horse has bolted.
那無異于馬后炮。
He didn't say anything as to where he would go.
關于他的去處他什么也沒說。
Look! It's inside another pot. What was that pot used for?
“瞧！還是大壺套小壺呢。有什么用途？”