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
I'm glad to help.
我很乐意帮忙。
Do you think you can get me to Union Station by quarter after?
你看你能否在一刻前把我送到联合车站？
When the news got round that a comedy show would be presented at our local cinema by the P.and U.Bird Seed Company,
当“皮尤”鸟食公司将在我们当地影院演出喜剧节目的消息传开后，