里面有一个专门储存麻醉剂的区域，Sara伸手拿起麻醉剂，接着迅速地将麻药抽入注射针管，然后用一块布带绕系在她的上臂，找到静脉，她的动作显得麻利而熟练。
She reaches for the drugs, her movements quick but confident. She quickly fills a hypodermic needle with morphine, and then ties a piece of cloth around her upper arm to find the vein.
对称的生心区后部促使心肌前体细胞形成心脏的流入区域或静脉极。
The posterior region of the paired heartforming fields subsequently contributes myocardial precursor cells to the inflow region or venous pole of the heart.
肺门和纵隔淋巴结可压迫区域组织像上腔静脉、支气管并可产生危及生命的并发症的可能性。
Hilar and mediastinal adenopathy can compromise regional structures such as the superior vena cava or trachea and potentially cause a life-threatening complication.
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