A big black bug bit a big black bear's back and made the big black bear's back bleed blood.

一只大黑虫咬了一只大黑熊的后背，于是大黑熊的后背就流血了。

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A big black bug bit a big black bear's back and made the big black bear's back bleed blood.

一只大黑虫咬了一只大黑熊的后背，于是大黑熊的后背就流血了。

youdao