mainly等于什么单词
！mainly等于单词primarily，chiefly，prevailingly，中文意思是，主要地 这家医院的主要地方颇为沉闷，但是儿科病房却很有生气。The main part of the hospital is pretty dismal but the children's ward is really lively. Physiographically, the United States may be separated into three major pisions...