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
Do you want-that-magazine?
你想要那本杂志吗？
To travel by ship
乘船旅行
The doctor examined the soldier's wound carefully.
大夫仔细检查了战士的伤口。