n. any very large body of (salt) water
n. a principal pipe in a system that distributes water or gas or electricity or that collects sewage
s. of force; of the greatest possible intensity
n. 主要部分, 干线, 体力, 力量, 主群组
a. 主要的, 重要的, 全力的
[计] 主群组
1. The main reason for my decision is to improve my health.
我做出这个决定的主要原因是为了改善我的健康。
2. She is the main character in the story.
她是这个故事的主要角色。
3. The main goal of our project is to help the community.
我们项目的主要目标是帮助社区。