在大多数毒蛇中，如蝰蛇和眼镜蛇，毒液用于捕捉猎物、使其无法行动；但在彩颌类中，只有在猎物到了蛇嘴里后，毒液才会滴到猎物身上。
In most venomous snakes, like vipers and cobras, the venom is used to catch and inmoblize the prey; but in colubrids, venom drips onto the prey only after the prey is in the snake's mouth.
当风儿拂过屋顶，它们便起起伏伏，如五彩的泡沫。
When the wind blows over the roofs they rise and fall as painted bubbles do.
这是一幅如科幻电影中出现的景象：一道彩虹在前面流光溢彩，而背后是一颗明亮的星星升起在地平线上。
It is an image worthy of a science fiction film: a rainbow, photographed in the middle of the night, glimmers in the foreground while behind it a brilliant star rises above the horizon.
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