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He kept in touch with us while he was on vacation.他在度假期間仍與我們保持聯(lián)系.Bob and his family are on vacation; they've gone to Hawaii.鮑勃和他全家在度假, 他們?nèi)ハ耐牧?I like fishing for perch on vacation.我喜歡在假期中釣鱸魚....

on vacation的音標(biāo)：on vacation的英式發(fā)音音標(biāo)為：[?n v?'kei??n]on vacation的美式發(fā)音音標(biāo)為：[ɑn ve'ke??n]...

在度假中...