An apple core is the part of an apple left after the flesh has been eaten.

苹果核是在苹果肉吃完后剩下的部分.

《简明英汉词典》

The apple is rotten at the core.

这苹果核烂了.

辞典例句

The apple rotten at the core.

嘿——我把苹果核给你.

互联网

An apple core is the part of an apple left after the outside has been eaten.

苹果核就是苹果外层吃光后剩下的那一部分.

互联网