What they both share, however is speed. 但两者的速度都很快
Pterosaurs and plesiosaurs would both go extinct in time. 翼龙和蛇颈龙终将灭绝
It has a new internal skeleton that makes it both fast and agile. 它有一种新的内部骨骼 令它既快速又灵活
Unlike jellyfish, Anomalocaris can swim with both direction and pace. 与水母不同 奇虾游速快且方向准确
Competition, both within and between species, 物种内及物种间的竞争
When trade is fair, when both buyer and seller benefit, 交易公平 买♥♥卖♥♥双方都受益
You'll bring both of us down! Let go! 不然我们都完蛋了 放手