Running efficiency
[化] 运转效率
🧩 词语组成解析
running
['rʌnɪŋ]
n. 跑步;运转;流出;
adj. 跑着的;流动的;连续的;操作中的，运转着的;
v. 跑;运转(run的ing形式);
🗣️ 情景例句
Oh, Grandpa!
啊，爷爷！
I'm not young enough.
我还不够年轻。
She picked it up and gave it back to me.
她把它捡起给了我。