Differential voltage gain
[電] 差動電壓增益
?? 詞語組成解析
differential
['d?f?'r?n??l]
adj. 差別的;特意的;[數(shù)]微分的;[機，物]差動的;
n. [數(shù)]微分;差別;工資級差;[機]差動器;
di, dif, divid 表示”分開”;”取消”,”否定”;”不同”
gain
[gein]
vt.& vi. 獲得;贏得;增加;（鐘、表）走快;
n. 利潤;[土木工程]腰槽;獲益;
vt. （在…上）開腰槽;吸引;（通過努力）到達;推進（一段距離）;
vi. 增進;增進健康;得益;（重量的）增加;
??? 情景例句
As I said, mostly the building just needs a good cleaning.
就像我先前所說的 這棟建筑物大部份僅需要好好打掃一下
Probably.
可能吧。
Permission was granted and a policeman accompanied him to a pay phone.
警察同意了，陪他來到一個投幣地電話前，