老师正在讲一堂关于血液回圈的课。

A teacher was giving a lesson on the circulation of the blood.

youdao

因此，很难有路由回圈发生。

Therefore, it is very difficult for routing loops to occur.

youdao

在应用程序中使用无限回圈。

Use an infinite loop in the application program.

youdao

只要有人需要把猪赶回圈里，招呼我一声就是了。

If you need any hogs rounded up, call me.

youdao

只要有人需要把猪赶回圈里，招呼我一声就是了。

If you need any hogs rounded up, call me.

youdao