Differential expansion
[化] 不均匀膨胀; 局部膨胀
🧩 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
The crowd flocked around the speaker.
人群聚集在演讲人四周。
There is safety in numbers.
人多势众。
I not only spoke English very carefully, but very clearly as well.
我的英语讲得不但非常认真，而且咬字也非常清楚。