を記入
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("
");}
//-->
| 単語 / 【 ID 】
意味 / 例文 /同義語/上位語/下位語/派生語 |
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optional
![]() SimpleWikiWiktionaryGoogle検索CollinsCambridgeLongmanLongman英和Learners 【 21661 】 【意味】 "[形容詞] possible but not necessary; left to personal choice [例] The optional exercises are a good way to get a good grade. [例] The field is optional. [例] They chose to take the optional third course. [意味] 任意の, 随意的な, 選択の, 随意の, オプションの, 任意的な, 選挙の, 選択的な ; [反意語] obligatory ; [類似語] elective, facultative, nonmandatory, nonobligatory, ex gratia ; [同義語群] 00847399-a" |