中文字幕精品视频在线|中文字幕在线观看|亚洲v日本v欧美v在线播放|伊人网中文字幕

<nav id="3u6n6"></nav><samp id="3u6n6"><tr id="3u6n6"><track id="3u6n6"></track></tr></samp>
    <legend id="3u6n6"><fieldset id="3u6n6"></fieldset></legend>

      
      

    1. attenuate

      英 [?'tenj?e?t] 美[?'t?njuet]
      • adj. 減弱的;稀薄的;細(xì)小的
      • vt. 使減弱;使纖細(xì)
      • vi. 變纖細(xì);變?nèi)?/li>

      GRE擴(kuò)展詞匯

      詞態(tài)變化


      第三人稱單數(shù):?attenuates;過(guò)去式:?attenuated;過(guò)去分詞:?attenuated;現(xiàn)在分詞:?attenuating;名詞:?attenuation;

      助記提示


      1. at- "to" + tenu- + -ate.
      2. 含義:make thin, make less.
      3. => enfeebled, weak.
      4.【信號(hào)處理】專業(yè)術(shù)語(yǔ),對(duì)比記憶,信號(hào)放大與衰減:amplify(放大)<===> attenuate(衰減、減弱)。

      中文詞源


      attenuate 減弱,變細(xì)

      前綴at-同ad-. 詞根ten, 持有,握住,見(jiàn)tenure. 引申義伸長(zhǎng),拉伸,見(jiàn)tend, 引申義變細(xì),減輕,見(jiàn)該詞,或extenuate, 減輕。

      英文詞源


      attenuate (v.)
      "to make thin, to make less," 1520s, from Latin attenuatus "enfeebled, weak," past participle of attenuare "to make thin, lessen, diminish," from ad- "to" (see ad-) + tenuare "make thin," from tenuis "thin" (see tenet). Related: Attenuated; attenuating. Earlier was Middle English attenuen "to make thin (in consistency)," early 15c.

      雙語(yǔ)例句


      1. You could never eliminate risk, but preparation and training could attenuate it.
      風(fēng)險(xiǎn)不可能完全消除,但可以通過(guò)防范和培訓(xùn)來(lái)降低。

      來(lái)自柯林斯例句

      2. Then we got involved with trying to find polymers that attenuate radiation.
      接著我們致力于找出能夠減弱輻射的聚合物.

      來(lái)自《簡(jiǎn)明英漢詞典》

      3. In a forest, wet wood and needles attenuate the signals.
      在森林中, 潮濕的樹(shù)木與針葉會(huì)使訊號(hào)變?nèi)?

      來(lái)自《簡(jiǎn)明英漢詞典》

      4. We are asking a network or system to attenuate certain frequencies.
      我們正在要求一個(gè)網(wǎng)絡(luò)或系統(tǒng)去壓制某些頻率.

      來(lái)自辭典例句

      5. Attaching strings to your offer will attenuate your chance to sell off the goods.
      在你們的報(bào)盤(pán)上增加附加條件就會(huì)減少你們售出貨物的機(jī)會(huì).

      來(lái)自辭典例句