Luckily for the ammonoid, 菊石很幸运

287. Jaws.
     颌
288. It can bite down and crush its prey.
     它能咬住并咬碎猎物
289. As long as it can find the right angle.
     只要找到合适的角度就行
290. Luckily for the ammonoid,
     菊石很幸运
291. the juvenile's jaws are not yet strong enough to break its shell.
     幼鱼的颌尚不够强大 无法咬破它的壳
292. But the adult's are.
     但成年邓氏鱼可以
293. The pairing of backbones with jaws was to prove a winning combination.
     颌搭配脊椎是胜利的组合

来自《我们星球上的生命 第一季 第二集 Life on Our Planet S01E02 第一前线》第 290 行