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We tend to meet up for lunch once a week.我們往往每周共進(jìn)一次午餐。Lung cells die and are replaced about once a week.肺細(xì)胞約每周新老更替一次。Meat was available once a week if at all.就算有肉，也是每周才吃一次。...

每星期一次...

once a week的音標(biāo)：once a week的英式發(fā)音音標(biāo)為：[w?ns ? wi:k]once a week的美式發(fā)音音標(biāo)為：[w?ns e wik]...