1·The bright red color of a fire urchin warns predators that its spines are poisonous. Sea otters are the major predators of sea urchins.
火海胆鲜红的颜色警告捕食者它的刺有毒。海獭是海胆的主要捕食者。
2·Fewer otters would have allowed sea urchin populations on which the otters preyed to expand and the urchins' grazing pressure on kelp forests to increase.
海獭的减少会使海胆的数量增加，因为海獭以此为食，从而增加海胆对海藻林的食草压力。
3·Since the disappearance of sea urchins from the waters up the coast of South Florida, many coral reefs there have been smothered by the uncontrolled growth of algae.
自从海胆从南佛罗里达海岸的海水中消失后，那里有许多珊瑚礁被不受控制生长的藻类所扼杀。
4·The urchins feeding on fresh sea algae produce germens tasting delicious.
长期摄食鲜海藻类的海胆生殖腺味道甜美，口感上佳。
5·An orthodontist's dream, an Atlantic wolffish displays the hardware it uses to crush mollusks, shellfish, and sea urchins.
牙齿矫正医师的梦想，太平洋狼鱼炫耀着它用以收拾软体动物，贝壳和海胆的装备。
1·A group of urchins happily in the grass slapstick, a little naughty, said: "in this Xianchen not infected while lying on the grass was very enjoyable."
一群顽童高高兴兴的在在草地上玩闹，有一个小顽皮说：“在这纤尘不染的草地上躺一会儿，真是一种享受。”