this group of ancient reptiles made a huge evolutionary step. 这群古代爬行动物 就迈出了巨大的进化步伐
They create spaces where human activity is in step... 它们创造了一个空间 那里人类的活动
Mangroves are forests that step out onto the sea. 红树林是长出海面的森林
It's all arranged. You'll be with him every step of the way. 已经安排好了 你会一路陪着他
Do not step on those weird, pointy rocks! 别去踩那些奇怪的尖石头
It didn't step on your trap-y thing. 它没踩到你设的陷阱