ADVERB | PREPOSITIONADVERB➤high彈得高◇The ball bounced high and she missed it.球彈得很高,她沒有接住。➤back, off彈回;彈開◇The stone hit the window but bounced off.石頭打中了窗戶但是彈開了。PREPOSITION➤against, around, down, off, on, towards/toward對着⋯跳;在⋯周圍跳動;沿着⋯跳;跳離⋯;在⋯上彈跳;朝⋯跳◇Short sound waves bounce off even small objects.短聲波即使遇到小物體也會產生回音。◇The idea had been bouncing around in my head for some time.有一段時間,這個念頭一直在我的頭腦裏揮之不去。