Skin friction coefficient
[化] 表面摩擦系数
🧩 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;
coefficient
[,koɪ'fɪʃnt]
n. 系数;（测定某种质量或变化过程的）率;程度;协同因素;
adj. 共同作用的;合作的;
co共同+ef出+fici做+ent...的 → co共同+efficient做出来=有效的 → 一起有效的 → 系数
🗣️ 情景例句
John is tied up at the present time.
John现在有事。
They only want to solve domestic problems.
他们只希望解决国内的问题。
'He had travelled only seven miles across the Channel when his engine failed and he was forced to land on sea.
但他只在海峡上空飞行7英里，引擎就发生了故障，他只好降落在海面上。