The main part of the army moved to Sevastopol to besiege the town.

这支部队的主力前往塞瓦斯托波尔去围攻那个小镇。

Staff withdrew from the main part of the prison but secured the perimeter.

工作人员从监狱的主体区域撤了出来，但封锁了监狱四周。

The main part of the hospital is pretty dismal but the children's ward is really lively.

这家医院的主要地方颇为沉闷，但是儿科病房却很有生气。

This is the main part of the framework.

这是架构的主要部分。

Leaf is the main part of plant damage.

叶片是植物伤害的主要部位。