The ultrasound probe locates the tumor in real time and places the biopsy needle holder directly over it.

超声波探头可以实时定位肿瘤，还可以将活检针的固定器直接放在肿瘤上方。

You actually had your eyes closed, so how...um, I was watching you, and you didn't even need the...well, you didn't even need the screen to help you guide the needle holder.

事实上，你闭上了你的眼睛，那么你怎么...恩，我一直在看你，还有你甚至不需要，恩，你不需要屏幕来帮你定位指针。