六个星期以后，所有的小鼠都被开了刀，在颈动脉植入药物注射导管。

Six weeks in, all the rats underwent surgery to implant a drug-injection catheter in their jugular veins.

youdao

六个星期以后，所有的小鼠都被开了刀，在颈动脉植入药物注射导管。

Six weeks in, all the rats underwent surgery to implant a drug-injection catheter in their jugular veins.

youdao