expand

vt. & vi.

1. 使…变大, 扩大, 扩张
   • The ranks of the teachers are constantly expanding.
     教师队伍日益扩大了。
   • The merchant wants to expand his business.
     那个商人想扩大他的经营。
2. 伸展, 伸开, 张开, 展开
   • The petals of many flowers expand in the sunshine.
     许多花瓣在阳光下绽放。
   • The eagle expanded its wings.
     雄鹰展翅。