Differential action
[計] 差動作用, 微分作用
?? 詞語組成解析
differential
['d?f?'r?n??l]
adj. 差別的;特意的;[數]微分的;[機，物]差動的;
n. [數]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”
action
['?k??n]
n. 行動，活動;功能，作用;手段;[法]訴訟;
??? 情景例句
I know that you do a very big international business,
我知道貴公司在國際貿易方面的生意做得很大，
It's time for me to get up.
是我起床的時間了。
I had all the usual symptoms of someone giving up smoking: a bad temper and an enormous appetite.
脾氣暴躁和食欲旺盛。