有毒的

The veins in her wrist were clearly visible through the translucent skin.
她手腕上的静脉清晰可见于半透明的肌肤下。
She had a deep venous thrombosis, which required immediate medical attention.
她得了深静脉血栓，需要立即就医。
The patient underwent a venipuncture for a blood test.
患者接受了静脉穿刺进行血液检测。
A venous aneurysm is a rare but potentially life-threatening condition.
静脉瘤是一种罕见但可能危及生命的状况。
The surgeon carefully inserted the catheter into the patient's femoral vein.
外科医生小心翼翼地将导管插入患者的股静脉。
After surgery, she experienced some discomfort in her post-operative venous site.
手术后，她在手术后静脉部位感到不适。
Venous insufficiency can cause swelling and varicose veins.
静脉回流不畅可能导致肿胀和静脉曲张。
A venous ulcer often occurs due to poor circulation in the legs.
静脉溃疡常常是由于腿部血液循环不良所导致的。
The doctor prescribed compression stockings to alleviate her venous congestion.
医生开出了压力袜以缓解她的静脉充血。
He practiced massage techniques to improve venous flow and reduce leg pain.
他练习按摩技巧以促进静脉血液流动并减轻腿部疼痛。