adv.主要地；大部分地
Oats mainly grow in cool climate. 燕麦主要生长在气候凉爽的地区。
Weasel lives mainly on rats and rabbits. 黄鼠狼主要以老鼠和兔子为食。
A banana is mainly pulp, except for its skin. 香蕉除了果皮之外，主要是果肉。
His money comes mainly from salary. 他的钱主要来自工资。
People in this shop are mainly tourists. 这家商店里的人们大都是游客。
