bouncing 是 bounce 的現在分詞bounceKK [ˋbaʊns] /ˈbaʊns/動詞1彈起、反彈、彈跳The ball bounced twice before it hit the net.球彈了兩下才碰到網子。2拍（球）、使彈跳He bounced the basketball while waiting for the coach.他一邊等教練一邊拍籃球。3蹦跳、上下跳動The children bounced on the bed until it broke.孩子們在床上蹦跳，直到床被跳壞。4反射Sunlight bounced off the surface of the lake.陽光從湖面反射出來。5跳票、退票口語My rent check bounced because of a bank error.我的房租支票因為銀行出錯而跳票。顯示全部 13 個義項動詞6退回電腦The email bounced back with an error message.那封電子郵件被退回，還附上錯誤訊息。7趕出、轟走口語Two men were bounced from the bar for fighting.兩名男子因為打架被趕出酒吧。名詞1反彈、彈跳She caught the ball on the second bounce.她在球彈第二下時接住了它。2彈性、彈力This old tennis ball has lost its bounce.這顆舊網球已經沒有彈性了。3活力、朝氣There was a real bounce in her step this morning.她今天早上走起路來特別有精神。4蓬鬆感This shampoo gives fine hair more bounce.這款洗髮精能讓細軟的頭髮更蓬鬆。片語動詞1恢復、重新振作、復原He bounced back quickly after losing his job.他失業後很快就重新振作起來。2徵詢、試探口語Can I bounce an idea off you before the meeting?開會前我可以先跟你聊聊一個想法嗎？