大家都搜：
浅色鲨鱼
1、shark net───防鲨网；捕鲨网; (为保护游泳者而设在近海的)排鲨长网
2、shark───vi.ZhaPian；vt.敲诈；n.鲨鱼；骗子
3、epaulette shark───肩章鲨
4、docile shark───温顺的鲨鱼
5、nurse shark───沙锥齿鲨；护士鲨，铰口鲨
6、shark fins───[水产]鱼翅，鲨鱼鳍
7、goblin shark───剑吻鲨，欧氏尖吻鲛
8、gully shark───沟鲨
9、reef shark───礁鲨（鲨鱼的一种）
1、Under blue light, the spots on this shark fluoresce, creating an eerie glow.───它身上的荧光点在蓝光下散发着诡异的光芒。
2、Rod cells were the most common types of photoreceptor found in all 17 shark species, which means the predators should be able to see within a wide range of light levels.───在17种鲨鱼的视网膜中，最常见的感光体是视杆细胞，这意味着鲨鱼在不同的亮度环境下都可以看得到外界。
3、The researchers used a machine called an electroretinogram to test the field of vision - firing a tiny beam of light at the shark in a darkened tank from all directions.───研究人员利用“网膜电图”机测试视野——在一个黑暗的箱子里从各方位向鲨鱼发射一丝微弱的光。