They have a large family to feed.
他们要养活一大家人。
Power is fed into the electricity line through an underground cable.
电力通过地下电缆传输给这条电线。
The electricity line is fed with power through an underground cable.
这条电线的电源是通过地下电缆传输的`。
What the audience tells me feeds back into my work.
观众给我提的意见反过来对我的作品起到了促进作用。