副词短语 on occasion/ on one's own/ on purpose/ on the contrary/ on the whole/ a bit /above all/ all in all/ all long/all the way/ and so on/ all over the world/ all round/ as a whole/ as follows在句 ...
1. Catchcatch a cold 感冒;受凉catch fire 着火;变得流行,火起来catch hold of 抓住catch on 流行;领会catch on to 理解catch one’s breath喘气;休息catch one’s eye /attention 引人注目/引起注意catch sig ...