feed的过去式现在分词形式

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。