印度尼西亚科莫多岛的火海胆的棘突形成了色彩斑斓的花朵。每根棘突尖端蓝色膨胀部位都盛满了毒液。
The spines of a fire urchin form a multicolored flower off Komodo Island, Indonesia. The blue swellings on the tip of each spine are filled with venom.
每根棘突尖端蓝色膨胀部位都盛满了毒液。
The blue swellings on the tip of each spine are filled with venom.
用铁板把铁轨一根一根连接起来，它们中间留出空隙，作为膨胀的余地。
One rail is joined to the next by means of a metal, plate; space is left between them to allow for expansion.
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