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function newMark(y,m,d)
{ oldDay = new Date(y+"/"+m+"/"+d);
newDay = new Date();
n = (newDay - oldDay)/(1000*60*60*24);
if(n <= 14)document.write("
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| 単語 / 【 ID 】
意味 / 例文 /同義語/上位語/下位語/派生語 |
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contrail
![]() SimpleWikiWiktionaryGoogle検索CollinsCambridgeLongmanLongman英和Learners 【 85542 】 【意味】 "[名詞] an artificial cloud created by an aircraft; caused either by condensation due to the reduction in air pressure above the wing surface or by water vapor in the engine exhaust [例] The contrail was visible from the ground. [例] The contrail of the jet was visible in the sky. [例] They could see the contrail of the jet flying overhead. [意味] 飛行機雲, コントレイル ; [同義語] condensation trail ; [上位語] cloud ; [同義語群] 09255519-n" |