Even the scrawniest of types possess more than enough energy stored in their (nugatory) fat reserves to run several marathons back to back.

即使最瘦骨如柴的人身体里储存的（无用的）脂肪也够他跑几个来回的马拉松了。

The unfortunate novice fliers are often the scrawniest ones or those that try to ride whispers of wind too weak to carry them over the danger zone.

不幸的新手往往是骨瘦如柴的一个，或者那些尝试乘坐窃窃私语的风力太弱去携带它们越过危险区。