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oscillate

英 ['?s?le?t] 美['ɑs?let]
  • vt. 使振蕩;使振動(dòng);使動(dòng)搖
  • vi. 振蕩;擺動(dòng);猶豫

IELTSGRE低頻詞擴(kuò)展詞匯

詞態(tài)變化


第三人稱單數(shù):?oscillates;過(guò)去式:?oscillated;過(guò)去分詞:?oscillated;現(xiàn)在分詞:?oscillating;

助記提示


1. oscill- + -ate.

中文詞源


oscillate 使搖擺,波動(dòng)

來(lái)自拉丁語(yǔ)os,嘴,詞源同oral,-cill,小詞后綴。原指在葡萄園入口處掛上的酒神Bacchus的面具,相當(dāng)于庇佑符,以保佑葡萄豐收。因這個(gè)小面具常在風(fēng)中搖擺,最終詞義俗化,引申詞義波動(dòng),使搖擺。

英文詞源


oscillate
oscillate: [18] Latin ōs originally meant ‘mouth’ (it was the source of English oral), but it was also used for ‘face’. Its diminutive form ōscillum ‘little face’ was applied to a mask depicting the god Bacchus that was hung up as a charm in vineyards, to be swung to and fro by the breeze. In due course its meaning broadened out to ‘swing’ generally, and a verb ōscillāre ‘swing’ was derived from it – whence English oscillate.
=> oral
oscillate (v.)
1726, back-formation from oscillation, or else from Latin oscillatus, past participle of oscillare (see oscillation). From 1917 in electronics. Related: Oscillated; oscillating.

雙語(yǔ)例句


1. On an oscilloscope, you can see an electrical current oscillate up and down.
在示波器上面你可以看到一股電流上下振動(dòng).

來(lái)自《簡(jiǎn)明英漢詞典》

2. In the case of homogeneous broadening only one mode can normally oscillate.
對(duì)于均勻加寬的情況,只有一個(gè)模能正常地振蕩.

來(lái)自辭典例句

3. He seemed to oscillate between very drunk and icy sober.
他似乎是在酩酊大醉和完全清醒之間擺來(lái)擺去.

來(lái)自辭典例句

4. It is true that system could oscillate back - wards and forwards in this dead zone.
不過(guò),系統(tǒng)在這個(gè)死區(qū)內(nèi)可能會(huì)發(fā)生來(lái)回的振蕩.

來(lái)自辭典例句

5. The standard EBU model can not drive combustion to oscillate.
EBU模型不包含燃燒振蕩機(jī)理.

來(lái)自互聯(lián)網(wǎng)

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