13.To maintain the machine properly, our main concern is how to reduce the heat generated by ________ between two components or parts.
(A)federation
(B)faction
(C)friction
(D)fracture

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統計： A(127), B(345), C(578), D(212), E(0) #535484

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B1 · 2014/02/28

#790910

federation 聯盟 faction 派別 friction 摩擦 fracture 骨折

B2 · 2017/10/15

#2447848

為了保持機器的正常運作，我們主要關注於如...

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Terry Tung

2025/12/15

私人筆記#7641204

未解鎖

答案：(C) friction /ˈfr...

(共 620 字，隱藏中）

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13.To maintain the machine properly, our main concern is how to reduce the heat generated by ________ between two components or parts. (A)federation (B)faction (C)friction (D)fracture