Differential gear box
[化] 差動齒輪箱
?? 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”
gear
[ɡ?r]
n. 齒輪;排擋;傳動裝置;衣服 ;
vi. 接上;調和;
vt. 使適應;裝上齒輪;用齒輪連接;
box
[bɑks]
n. 盒;箱狀物;包廂;哨房;
vt. 把…裝入盒[箱，匣]中;
vt.& vi. 拳擊;
??? 情景例句
Now the hard work begins.
艱苦的工作現(xiàn)在開始了。
I did three loads of wash today.
我今天洗了三次衣服。
and it is only in the seas and rivers, and sometimes lakes, where mud and sit have been continuously deposited,
所以只有在泥沙不停淤積的海洋和江河里，有時在湖泊里，