【正文】
他一躍就上了公共汽車(chē). 13. One example of this is the two bounce ghost reflection. 其中一個(gè)例子是兩次彈跳的“虛”反射. 14. Don’t bounce on the bed you’ll break the springs! 別在床上亂蹦你要把彈簧弄斷了! 15. The molecules bounce off each other like two colliding billiard balls. 當(dāng)分子相互彈開(kāi)時(shí)就象兩個(gè)碰撞的彈球.