你要加速或減速時就換擋。

這輛車有三檔。

上山時要換第二擋。

齒輪嚙合得很好。

那家商店賣體育器具。

【記】※ gear-齒輪,year-年:齒輪轉(zhuǎn)動又一年 ※ g-拼音“哥”,ear-耳朵:哥哥的耳朵像齒輪 ※ gear-齒輪,rage-憤怒:汽車的傳動裝置出了問題,大怒

gear n 1 [U] equipment, clothing, etc needed for an expedition, a sport, etc （遠(yuǎn)征、 運(yùn)動等需用的）設(shè)備、 裝備、 衣物等 All his camping gear was packed in the rucksack. 他的野營物品全都放在背囊里了. We're only going for two days; you don't need to bring so much gear! 我們只去兩天, 你不用帶那麼多東西! wearing her party gear 穿著她赴宴的衣服. 2 [sing] (esp in compounds 尤用以構(gòu)成復(fù)合詞) piece or set of apparatus or machinery for a particular purpose 儀器; 器械; 裝置 The landing-gear has jammed. 著陸裝置發(fā)生故障. winding gear for lifting heavy loads 起重絞盤裝置. 3 (a) [C often pl 常作復(fù)數(shù)] set of toothed wheels which fit into another set to transmit power from a vehicle's engine to its road wheels （機(jī)動車輛的）傳動裝置, 排擋 Careless use of the clutch may damage the gears. 離合器使用不慎可能損壞傳動裝置. The car has four forward gears and one reverse gear. 那汽車有四個前進(jìn)擋和一個倒擋. The car started with a crashing of gears, ie noise made by operating them badly. 那汽車開動時發(fā)出掛擋的 光當(dāng)聲（因操縱技術(shù)不佳所致）. =>illus at App 1 見附錄1插圖, page xiii. =>illus 見插圖. (b) [U] particular position or setting of the gear mechanism 傳動裝置的某位置或組合狀態(tài); 排擋 The car is in/out of gear, ie has the gears engaged/disengaged. 汽車掛上擋[未掛擋]. low/bottom/first gear, ie used for starting a vehicle or climbing a slope 低速擋[頭擋/第一擋]（用於車輛起動或爬坡） high/top gear, ie used for high speeds 高速擋 * change gear 換排擋. 4 [U] (fig 比喻) degree of speed or efficiency 速度或效率的程度 The party organization is moving into top gear as the election approaches. 隨著選舉臨近, 黨組織的活動也如火如荼. The athlete changed gear (ie suddenly accelerated) and shot ahead of the others. 該運(yùn)動員突然加速, 沖到別人前面去了. gear, v (phr v) gear sth to/towards sth adapt sth to a particular need or to an appropriate level or standard 對某事物加以調(diào)節(jié)以適合某種需要或達(dá)到某種水平或標(biāo)準(zhǔn) Industry must be geared to wartime needs. 工業(yè)必須調(diào)整以適應(yīng)戰(zhàn)時需要. Our effort is geared to a higher level of production. 我們調(diào)整力量將生產(chǎn)推向更高的水平. gear down (of a driver) change to a lower gear so as to have better control （指駕駛員）換至較低一擋以便操縱. gear sth down (to sth) reduce sth in force or intensity （在力量或強(qiáng)度上）減低某事物 The period of exercise was geared down to ten minutes a day for men over 60. 60歲以上的人的鍛煉時間減低到每日十分鐘. gear up (for/to sth); gear sb/sth up (for/to sth) become or make sb/sth ready (for sth) （為某事物）（使）某人[某事物]準(zhǔn)備好 The company's gearing up for the big export drive. 公司正為大規(guī)模出口作好準(zhǔn)備. I was all geared up (ie excitedly ready) to go on holiday, and now it's been cancelled. 我興致勃勃地做好去度假的準(zhǔn)備, 可是現(xiàn)在吹了. gearing n [U] set or arrangement of gears 齒輪裝置; 傳動裝置 The gearing of this machine is unusual. 這機(jī)器的齒輪裝置很特別.

g(機(jī))+ear(耳):把機(jī)械表貼到耳朵上,能聽到 齒輪轉(zhuǎn)動的聲音 網(wǎng)友：yqy補(bǔ)充： 用gear g割掉你的ear耳朵

*[gi?]n. 齒輪, 工具vt. 以齒輪連起, 開動, 使適應(yīng), 安排vi. 連接上, 適合【醫(yī)】 齒輪, 衣服, 用具【經(jīng)】 動產(chǎn), 貨物相關(guān)詞組: gear up gear sth to sth gear with gear into in gear out of gear

①設(shè)備 ②傳動裝置，齒輪