Area of piston
[机] 活塞面积
🧩 词语组成解析
area
['ɛrɪə]
n. 地区;区域，范围;面积，平地;领域;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
piston
['pɪstən]
n. <机>活塞;
🗣️ 情景例句
Do you have any hobbies?
你有什么业余爱好？
An ass endures his burden but not more than his burden.
驴子能负重，但不堪超过力之所及。
He has always been a good neighbour.
他一直是个好邻居。