变位
名词,复数 (Noun, plural): feeds, feed
名词,单数或不可数 (Noun, singular or mass): feed
动词,过去时 (Verb, past tense): fed
动词,过去分词 (Verb, past participle): fed
动词,动名词或现在分词 (Verb, gerund or present participle): feeding
动词,第三人称单数现在时 (Verb, 3rd person singular present): feeds
动词,原形 (Verb, base form): feed
动词,非第三人称单数现在时 (Verb, non-3rd person singular present): feed