·be to exist;to live;to occupy space or time.(表示存在或生存以及時(shí)間或空間概念等的)系動(dòng)詞We’ll be grateful when winter ends and spring arrives.冬天走了,春天來(lái)了,我們會(huì)很愉快?！ee an insect that feeds on pollen and produces honey.蜜蜂A hive can have only one ......（本文共 423 字）     [閱讀本文] >>