Mark the pipe where you want to bend it.

　　在管子上要弄彎的地方做個(gè)記號。

　　Glass and water both bend light.

　　玻璃和水都折光。

　　He bent the wire into the shape of a square.

　　他把鐵絲折成正方形。

　　Our house is round the next bend.

　　前面一拐彎就是我們家。

　　Watch out for sharp bends and adjust your speed accordingly.

　　當心急轉彎并相應調整車(chē)速。