Skin friction
[化] 表面摩擦
🧩 词语组成解析
skin
[skɪn]
n. 皮，皮肤;（蔬菜，水果等）外皮;毛皮;
vt. 剥皮，削皮;擦破皮，擦伤;欺骗;
vi. 使愈合，长皮;
adj. <俚>色情的;
🗣️ 情景例句
She was in our class.
她和我们同班。
How much do you know about the works of Henry Wadsworth Longfellow?
你对亨利·朗费罗的工作知道多少？
Hurry up, Sam!The kettle's boiling!
快，萨姆。水开了！