1. The ostrich is the largest living bird in the world.
这种鸵鸟是世界上最大的活鸟。

2. Ostriches are known for their long necks and powerful legs.
鸵鸟以长长的脖子和强壮的腿而闻名。

3. Ostriches are flightless birds that can run at speeds up to 70 km/h.
鸵鸟是无法飞行的鸟类，可以以高达70公里每小时的速度奔跑。

4. Ostrich eggs are the largest eggs of any living bird.
鸵鸟蛋是所有活鸟中最大的蛋。

5. Ostrich meat is becoming increasingly popular as a healthy alternative to beef and pork.
鸵鸟肉作为一种健康的替代品，越来越受到欢迎，可以替代牛肉和猪肉。

6. Ostrich feathers are often used in fashion and for decorative purposes.
鸵鸟羽毛经常用于时尚和装饰用途。