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
Thanks for your help! Keep the change.
多谢你帮忙， 不用找了。
He is a very creative student.
他是个很有创造力的学生。
I was having dinner at a restaurant when Tony Steele came in.
我正在一家饭馆吃饭，托尼。斯蒂尔走了进来。