Now, this type of surgery is hard, and it starts by putting people to sleep, putting carbon dioxide in their abdomen, blowing them up like a balloon, sticking one of these sharp pointy things into their abdomen -- it's dangerous stuff -- and taking instruments and watching it on a TV screen.
好的，刚刚讲到，微创手术很难 它从让人麻醉睡觉开始 然后把二氧化碳注入人的腹部 向吹气球一样吹起来 把尖头的工具刺进腹部 很危险 需要一边拿工具，一边对着显像屏幕观察