喂；喂养；供给
先理解核心含义，再看它在真实句子里的用法。
喂；喂养；供给
past tense and past participle of feed: to give food to, or to supply with necessary material.
feed 的过去式和过去分词
一般现在时
She feeds the cat every morning.
她每天早上喂猫。
一般过去时
He fed the dog yesterday.
他昨天喂了狗。
现在完成时
I have already fed the chickens.
我已经喂过鸡了。
注意 feed 为不规则动词，过去式和过去分词均为 fed。
She fed the cat before leaving for work.
她上班前喂了猫。
用法提示：fed 是 feed 的过去式，表示“喂食”。
They fed the horses hay every morning.
他们每天早上给马喂干草。
用法提示：fed 后接双宾语，表示“喂养”。
The machine was fed with paper automatically.
这台机器自动进纸。
用法提示：fed 是 feed 的过去分词，用于被动语态，表示“供给”。
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Dictionary facts from AI_FALLBACK, ECDICT, WIKTIONARY, WORDNET.
