两个与心脏相连的主静脉叫做大静脉或腔静脉.

The two main veins that connect to the heart are called the vena cava.

她将麻醉剂直接注入手臂的主静脉.

She pumped the stuff right into the mainline.

我的丈夫——被医学诊断者——经过测试后发现患有主静脉stenosis。

My husband, diagnosed with MS, was tested and shown to have major jugular venous stenosis.