You could flip a coin, but you could also just go with your gut reaction.
你可以扔硬币决定，但也可以跟随你的本能感觉。
This hemangioma also may occur in the gut, often do not easy to find.
这种血管瘤还可能发生在内脏，往往不容易发现。
Animal gut immunity is the first line to prevent infection, and is the important part of animal immunity system also.
动物肠道免疫系统是动物机体防止感染的第一道防线，也是动物免疫系统的重要组成部分。
Animal gut immunity is the first line to prevent infection, and is the important part of animal immunity system also.
动物肠道免疫系统是动物机体防止感染的第一道防线，也是动物免疫系统的重要组成部分。
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