Last night, lions had brought down a bull by the water, and the screaming before the windpipes gave way had been extraordinary.
昨晚，狮子们在水边扑倒了一头水牛，水牛在气管被撕裂前发出的哀叫惊人极了。
Windpipes have been grown from stem cells before, but only using the collagen "skeletons" of donated tracheas.
之前，也有由干细胞培育气管的先例，培育中使用的是捐献者的气管胶原蛋白骨架。
Mr Stearns has met men who routinely killed 100 people a day, "using a rope to crush their windpipes and strangle them" .
斯特恩斯遇见过曾每天弑命百条的人，他们“用绳子勒住他们的气管，把他们勒死”。
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