超级显微镜,紫外线显微镜

Unique Species of Shrimp, Anemones Thrive Near Caribbean Seafloor Vents The volcanic vents were discovered five kilometers down near the bottom of Cayman Trough - an undersea trench south of the Cayman Islands. Expedition co-leader Jon Copley, a mari

发表于:2019-01-13 / 阅读(52) / 评论(0) 分类 VOA标准英语2012年(一月)

Australian sea lions are lending a hand or maybe a flipper in the establishment of South Australia's marine parks. And along the way the national geographic Crittercam captured a never before seen act of predation,a sea lion capturing and eating a

发表于:2019-01-22 / 阅读(40) / 评论(0) 分类 自然百科2010年

We walked by ourselves, genuine loiterers stopping or straying as our fancies dictated. 我们各走各的路,随自己的意思,或停下,或走开。 For my part, I was no longer worried about those dangers my imagination had so ridiculously

发表于:2019-01-27 / 阅读(22) / 评论(0) 分类 《海底两万里》中英双语有声读物

歌词如下: Under the spreading chestnut tree, There we sit both you and me. Oh,how happy we will be! Under the spreading chestnut tree. Under the spreading chestnut tree, There we sit both you and me. Oh,how happy we will be! Under the spreading

发表于:2019-01-28 / 阅读(47) / 评论(0) 分类 英语儿歌274首

These algae are a genuine prodigy of creation, one of the wonders of world flora. 这些海藻类实在是造化的奇迹,宇宙植物界的一个奇迹。 This family produces both the biggest and smallest vegetables in the world. 地球上最小和

发表于:2019-02-25 / 阅读(34) / 评论(0) 分类 《海底两万里》中英双语有声读物

I soon grew accustomed to this bizarre arrangement, likewise to the comparative darkness surrounding us. 不久我便看惯了这种古怪的形状,同时也习惯了我们四周的相对的黑暗环境。 The seafloor in this forest was strewn wit

发表于:2019-02-25 / 阅读(34) / 评论(0) 分类 《海底两万里》中英双语有声读物