They cover everything from bug eyes and spider fur to starfish embyros and mouse neurons.
内容涵盖昆虫眼睛、蜘蛛绒毛、海星胚胎到老鼠神经。
The songbird watched from the branch. The snake watched from the tree. The mouse did not move. The spider stayed at the edge of her web, and waited.
鸣鸟从树枝上瞧，蛇从树上面看，老鼠没有动静。蜘蛛停留在网边等待着。
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