on this occasion,on this moment的区别

on this occasion 、on one occasion、on another occasion、on the first occasion、分别是什么意思?最好能组句详细说明一下 此时/彼时怎么说?on this/that occasion? on this occasion,on this moment的区别 on occasion是什么意思 On the occasion 英语翻译On this occasion,however,it had slowed down considerably. in formal occasion还是on formal occasion? The solutions to this problem seem more than clear on this occasion.The solutions to this problem seem more than clear on this occasion.这句的英文翻译是什么?on this occasion的意思是什么? on another occasion什么意思 on the occasion什么意思? on _____ occasion = in this situation?空格里填什么?还是不填? -------this special occasion的前面介词用什么?on?at?in?under? Join in the fun on occasion是什么意思 There is noise on this（).I can hardlu hear you.A.occasion B.connection C.case D sceneB There is noise on this（).I can hardlu hear you.A.occasion B.connection C.case D scene 为什么选 英语翻译On one occasion 怎么翻译,occasionally nouns 怎么翻译? 用once ,on another occasion造句不得用原文 on one occasion和 once可以互换吗?为什么