The birds live mainly on nectar.这些鸟主要以花蜜为食。

a queue of people, mainly children and old men一条多是老人和小孩的长队

The spacious main bedroom is mainly blue.宽敞的主卧的主要色调为蓝色。

The African half of the audience was mainly from Senegal or Mali.观众中有一半是非洲人, 大多数来自塞内加尔或马里。

Things are mainly changed since we were boys at the Blue-Coat.我们入读慈善学校之后, 情况大为改变。