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
Someone told me you're the computer expert around here. Weel, I have a question for you...
有人告诉我你在这里是计算机专家，我有个疑难想请教你。。。
He is now out of touch with his old friends.
他现在已经没有和他过去的朋友联系了。
I think so. But he seemed rather tired last night.
我想睡得好。但昨晚他看起来有点累。