| 1. | Narwhals maximum life span is about 50 years
（寿命：独角鲸的最大寿命大约为50年。 ） |
| 2. | The arctic ' s strangest citizen is surely the narwhal
角鲸无疑是北极地区最古怪的居民。 |
| 3. | They may not be magical , 4 but narwhal tusks are worth lots of money
角鲸的长牙或许不具有魔力，却相当值钱。 |
| 4. | The narwhal ' s single , spiral tusk has always been a mystery
独角鲸那独一无二的螺旋状尖角总是被视为神秘之物。 |
| 5. | Whether they catch a male or female narwhal , the inuit waste nothing
不论猎捕到公角鲸或母角鲸，因纽特人绝不浪费丝毫可用之物。 |
| 6. | The male narwhal ' s extraordinary1 tusk , up to three meters long , inspired2 legends3 of unicorns long ago
公角鲸奇特的长牙（长达三米）在古时曾引发关于独角兽的传说。 |
| 7. | Narwhals brave the dangerous , shifting ice sheets to search for cod , but inuit hunters brave them for narwhals
角鲸不畏险恶浮冰猎捕鳕鱼，而因纽特猎人亦冒着同样的危险来猎捕角鲸。 |
| 8. | A narwhal catches a breath at the surface between forays to the bottom in search of food . in medieval europe , tusks were sold as the horns of unicorns
一直独角鲸在准备潜水寻食之前浮出水面透气。在中世纪的欧洲，它们的角被当作传说中的独角兽的角来卖。 |
| 9. | Prized by medieval royalty , inspiration for unicorn myths , narwhal tusks have driven men to extremes for centuries . today the quest for tusks and skin threatens some populations
受中世纪贵族珍视，独角兽传说的启蒙。几个世纪以来，独角鲸的角让人们去到世界的最远端。今天，对角和兽皮的需求使得独角鲸数量减少。 |
| 10. | The open source software narval the name basically means " narwhal " , a type of whale combines several techniques from ai into a general scheduling , and task and information management system that can help automate a lot of your mundane tasks
开放源代码软件narval （这个名字的原意是“独角鲸” （ narwhal ） ，是鲸类的一种）把各种人工智能技术组合成了一个可以进行日常工作安排，任务和信息管理的系统，该系统可以帮助您自动化操作大部分的日常任务。 |
