But finding enough food to feed many mouths... 但是为众多家族成员找到足够的食物
The monkey isn't strong enough to crack the shell... 猴子不够强壮 无法砸碎蛤蜊壳
were not enough to ensure the future of the birds. 并不足以确保鸟类有一个光明的未来
generating enough speed and power... 产生的速度和力量
before she's big enough to stand up for herself. 才能长到足够强大 能够保护自己
but they're strong enough to support their body weight... 而且足够强壮 能够支撑它们的体重
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