At over three meters long and 300 kilos, 身长超过三米 体重超过300千克

286. ...he has cousins here who are.
     但它的亲戚可以
287. A gorgonopsid.
     丽齿兽
288. A more impressive forerunner to the mammals.
     它是哺乳动物更为显赫的前身
289. At over three meters long and 300 kilos,
     身长超过三米 体重超过300千克
290. she rivals any big cat alive today.
     它能与如今的任何大型猫科动物 一较高下
291. With her powerful sense of smell,
     它有强大的嗅觉
292. tracking her prey is easy.
     追踪猎物对它来说易如反掌

来自《我们星球上的生命 第一季 第三集 Life on Our Planet S01E03 入侵大地》第 289 行