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
He's hooked on cocaine.
他吸咖啡因上瘾。
No. Forget about it. It's not important.
哪儿的话，别提这件事了，那不算什么。
Even though the noble was expected to read the letter at each performance,
尽管那个贵族每场戏都得念一遍那封信。