feed on
live on
Bats fly at night and feed on insects.
蝙蝠在夜间飞行,以昆虫为食。
Sharks feed on smaller fish.
鲨鱼以小鱼为食。
Most of the Chinese people feed on rice.
大部分中国人以稻米为主食。
You can't live on bread alone.
你不能仅靠面包维生。
The Irish used to live on a diet of potatoes.
爱尔兰人过去用马铃薯作为主食。
feed on sth 以为食. feed sth to sb feed sb on sth 喂养给吃.
live on...
feed on
live on
live off
use sth for food
be feed on ....