Differential piston
[机] 异径活塞
🧩 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”
piston
['pɪstən]
n. <机>活塞;
🗣️ 情景例句
often took us somewhere in the city on the weekends.
经常在周末带我们去城市的一些地方。
At least everyone's all right.
至少大家都没事。
We also played games on the sand.
我们还在沙滩上做游戏呢。