Strokes per minute
[化] 每分钟冲程
🧩 词语组成解析
n. 中风
per
[pə:, pə]
prep. 由;（表示根据）依照;（表示比率）（尤指数量，价格，时间）每;
adv. 每次;每个;照常;按惯例;
adj. 高的，过的，全的;
🗣️ 情景例句
Workers have to work very hard to keep bread on the table.
工人得十分努力工作才能赚钱糊口。
Those flowers look pretty but don't give off a nice smell.
这些花看似漂亮，但是气味并不好。
but he was in such a bedraggled condition than an assistant refused to serve him.
但店员见他浑身泥水的样子，竟不肯接待他。