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v (1) (使)反彈(彈起)((cause to) spring back or up again from a surface)[I， I+prep， I+adv， T+n， T+n+prep]：A rubber ball～s high/well.橡皮球彈跳得高/彈力好。The ball～d over/against/off a wall. 球彈過/向/離墻。Hailstones～d off the pavements.冰雹砸在便道上又彈跑了。The ball～d up and down.球上下彈跳。～the ball twice before serving拍兩下球才把球發(fā)出去;～a ball over/against/off a wall使球彈過/向/離墻;～a ball off a wall and catch it使球從墻上彈回又接住; 〖同〗rebound，bound;

(2) (使)上下跳((cause to) jump or spring up and down in a lively manner)[I， I+prep， T+n]：The boy/child～d (up and down) on the bed. 男孩/孩子在床上(上下)蹦?！玱n a trampoline 在彈簧蹦床上跳;The rucksack～d and jingled on my shoulders.背包在我的雙肩上竄動(dòng)著叮當(dāng)作響?！玼p and down with excitement激動(dòng)得直蹦高;～a baby/a child on one's knee讓嬰兒/小孩在膝上顛動(dòng);

(3) (支票)被銀行退回((of a cheque) be sent back unpaid by a bank as worthless) [I](infml)：The check～d.支票退回來了。

bounce back (v adv)(受挫后)恢復(fù)過來;(下跌后)回升(vi)：He always～d back after losing a game。每次比賽輸了，他都很快就振作起來。In the city share prices～d back this morning.(倫敦)商業(yè)區(qū)股票價(jià)格今天上午回升了。

bounce along/down/onto/into/out of(v prep)蹦跳(顛簸)前行 (vt)：～down a street/onto the stage/into a room/out of a house 蹦蹦跳跳地沿街走去/登上舞臺(tái)/走進(jìn)房間/奔出房子;～out of bed 蹦下床;The car～d along the bumpy mountain road/down the dirt road.車子在崎嶇的山路/土道上顛簸。

→′bouncer n 反彈力大的投球;(夜總會(huì)等處的)保鏢;′bouncing adj 健壯的;

n (1) 彈，跳(act of bouncing)[C]：catch a ball on the (first)～在球(第一次)彈起時(shí)抓住球;return a ball before the second～球第二次彈起前把球打回去;The ball gave a high～.球彈得很高。With one～the ball went over the net.球一下就彈過網(wǎng)去了。

(2) 彈力(capacity to bounce)[U]：The ball has plenty of～/has lost its～.這球彈力很足/失去了彈力。There is still plenty of～in the ball.這球還很有彈力。a ball with～有彈力的球;

(3) 活潑，生氣((of a person) liveliness and energy)[U]：He's got a lot of～.他充滿活力。There is a lilt and～to her voice.她說話的聲音節(jié)奏輕快，充滿活力。〖同〗liveliness，energy，vigour，life;

→′bouncy adj (球等)能反彈的;(人)有活力的;

【辨異】bounce與jump、leap和spring²都表示“跳”的意思。bounce 指重復(fù)的上下跳; jump和leap常可互換; jump(跳)尤指雙腳離地跳，如：jump out of a window (從窗戶跳出); leap(跳，跳過;奔)比jump更有力，通常指從一處跳到另一處的跳躍過程，如：leap across a brook (跳過小溪);spring(跳躍)指有意識(shí)地突然而又迅速離地跳向前，且比jump更有力，如：spring forward to catch a mouse (躍向前去抓耗子)。