Differential sign
[计] 微分符号
🧩 词语组成解析
differential
['dɪfə'rɛnʃəl]
adj. 差别的;特意的;[数]微分的;[机，物]差动的;
n. [数]微分;差别;工资级差;[机]差动器;
di, dif, divid 表示”分开”;”取消”,”否定”;”不同”
🗣️ 情景例句
Her enthusiasm died away.
她的热情逐渐消失了。
My brothers must help with the house work at home.
我的兄弟在家里必须帮忙做家务。
Indeed they can have a delightful surprise when they find something useful which they did not know they owned.
确实，一旦无意之中从自己的收藏品中找到某件有用的东西时，可以给人一种惊喜的感觉。