Coefficient of sliding friction
[化] 滑動摩擦系數(shù)
?? 詞語組成解析
coefficient
[,ko?'f??nt]
n. 系數(shù);（測定某種質(zhì)量或變化過程的）率;程度;協(xié)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做出來=有效的 → 一起有效的 → 系數(shù)
of
[?v]
prep. 關(guān)于;屬于…的;由…制成;
aux. 助動詞 [非標準用語、方言] =have [主用于虛擬語氣];
a. 滑行的, 變化的\\n[機] 滑動
??? 情景例句
Including Susan.
包括Susan的。
Hurry back!
快去快回！
Up to now, historians have assumed that calendars came into being with the advent of agriculture, for then man was faced with a real need to understand something about the seasons.
歷史學(xué)家迄今認為日歷是隨農(nóng)業(yè)的問世而出現(xiàn)的，因為當時人們面臨著了解四季的實際需要，