Sometimes,pressure is motivity to me. 某些時(shí)候，我覺(jué)得壓力是一種動(dòng)力。
Cars and trucks can use the piles that can be changed quickly as motivity. 汽車(chē)和卡車(chē)可以迅速替換的電池組作動(dòng)力。
Creative thought is the motivity of the development of fabric material, and creative designing is the key to success. 創(chuàng)新思維是面料進(jìn)步的原動(dòng)力，創(chuàng)造設(shè)計(jì)是服裝面料成功的法寶。
The movements of qi are the motivity for the transportation, and distribution of body fluid, and the excretion of sweat and urine. 氣的運(yùn)動(dòng)是津液運(yùn)行分布和汗尿液排泄的原動(dòng)力。