Birds feed on worms. A bird will go hungry if it cannot catch worms. The bird that gets up early is sure to get some food, so the early bird catches the worm.

鸟以虫为食。鸟捉不到虫就会饿。早起的鸟儿定能得到食物，因此早起的鸟儿有虫吃。

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I bought a bag of bird feed.

我买了一袋鸟食。

《新英汉大辞典》

He scribbles the words "bird feed" on a piece of blank notebook paper and tosses it into his inbox.

他在笔记本的空页上写下了“鸟食”这两个字，然后把纸投进了信箱。

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