最佳答案:从数学的角度来看,是自然对数的底,即lnx的底数,是个无理数.
最佳答案:在各个方面in various aspectsin each aspectin every aspectin all aspectson all sideson
最佳答案:高效率high efficient(最常用)high availability
最佳答案:mother tonguemother languagenative languageparent languagefirst languagesource l
最佳答案:She is a French teacher.She's a French teacher.She teaches French.
最佳答案:tom have already finished his homework three hours ago.he finished his homework
最佳答案:five and a half yearsfive years and a half一个半小时是类似的呀one and a half hoursone hour
最佳答案:1、tend to do/be:if something tends to happen,it happens often and its likely to