这只苹果有一部分已经烂掉了，所以你必须把这一部分切掉。

Part of the apple has rotted away, so you must cut it out.

youdao

这只苹果有一部分已经烂掉了，所以你必须把这一部分切掉。

Part of the apple has rotted away, so you must cut it out.

youdao