Running friction
[化] 动摩擦
🧩 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
Don't drink too much tonight, I don't want to see you get drunk.
晚上别喝太多酒，我不想看到你喝醉。
How about Mary? How long has she lived there?
玛丽怎么样？她在那儿住多久了？
Here are the two originals of the contract we prepared.
这是我们准备好的两份合同正本。