Coefficient of roughness
[建] 粗糙系数
🧩 词语组成解析
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
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
n. 粗糙, 凹凸不平, 粗糙度, 篷乱毛发\\n[化] 粗糙度; 不平度
🗣️ 情景例句
because the doctors and nurses are so busy?
因为医生和护士们都非常忙？
The board won't approve of the budget for this year's expenditures.
会议上将不会承认本年度的支出预算。
He's doing well in all his lessons. He's not lazy. He'll do very well in the exams.
他各门功课都学得很好。他从不懒。他考试会考得很好的。