Its long toes and splayed foot design allowed it to move across the upper crust without slipping through.

它长长脚趾和脚部张开的设计，让它能在湖床表面硬壳上移动而不会滑进泥里。

They work like snowshoes, keeping the body from breaking through the upper hard crust while allowing them unimpeded movement across the lakebed.

这些脚趾如同雪地鞋使其能够在湖床上来去自如，身体不至于压穿泥地硬壳。

Almost everyone in Britain buys bread – from people in the upper crust of society to regular breadwinners who don't have much dough.

从上等阶层的人们到那些没钱却又不得不养家糊口的人，几乎每一位英国人都要买面包。

Their weight causes them to crack through the upper crust and that's when they get stuck and they're not gonna get out.

它们的重量会压碎表层硬壳而一旦被困住，它们就无法脱身。

But say you are in fact a dirt-farming peasant, and live a life far beneath the luxuries enjoyed by the upper crusts of society.

但是说你实际上是一个土耕农，过着远低于社会上层享受的奢侈生活。