Box-type piston
[机] 箱形活塞
🧩 词语组成解析
box
[bɑks]
n. 盒;箱状物;包厢;哨房;
vt. 把…装入盒[箱，匣]中;
vt.& vi. 拳击;
type
[taɪp]
n. 类型;铅字;（印刷或打印的）文字;于…类型的;
vt.& vi. 打字;
vt. [医学]测定（血型）;按类型把…归类;成为…的典型;[印刷]浇铸（铅字等）;
piston
['pɪstən]
n. <机>活塞;
🗣️ 情景例句
You need to complete some forms before the class.
上课之前你得填一些表格。
Is the plain along the river good for farming?
河畔的平原易于发展农业吗？
Every day he does the same thing. Why doesn't he use the lift for the last three floors?
每天他都这样度过。为什么上最后3层楼他不用电梯呢？