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
Tom doesn't enjoy going to school.
汤姆不喜欢上学。
Please come over any time.
请随时光临。
but he feels that his rise in status is well worth the loss of money.
不过他觉得，地位升高了，损失点儿钱也值得。