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
Honey, if there were any problems,
亲爱的， 假如有事的话，
Say again?
在说一次！
Can you see him please?He has a bad cold, too!
您能看看他吗？他也得了重感冒！