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- Large amounts of microfossil records have been discovered in the seafloor black smoker chimney from the Okinawa Trough. 报道了冲绳海槽伊平屋海洼海底黑烟囱样品中保留完好的矿化微生物群,它们的形态完好。
- Hydrothermal communities in deep seafloor live around Black Smoker sites.The primary producers of hydrothermal ecosystems are thermophiles and archaea. 现代海底黑烟囱周围生活着密集的生物群落,它们一般以黑烟囱喷口为中心向四周呈带状分布。
- The filamentous fossils are pyritized, with a little organic remains indicated by raman analysis.These microbial fossils are comparable to the mineralized microbes around modern black smoker chimneys. 它们为丝状体,均已黄铁矿化,经过激光拉曼光谱测试发现还保留少量有机质,可以与现代海底黑烟囱周围矿化微生物对比。
- ancient submarine black smoker chimney 古海底黑烟囱
- One camp says that deep-sea vents known as black smokers nurtured the first life. 有一派说,深海里,俗称黑烟囱的开孔养育出了第一个生命。
- Some of it is to be found near “black smokers”, vents that occur along ridges in the middle of the oceans where two plates are spreading apart. 某些物种在“黑烟囱”附近被发现。“黑烟囱”是在海中两个板块的分裂处,沿着海脊出现的火山口。
- He was in black from crew to earing. 他全身上下都穿着黑衣服。
- He whipped up a pistol and shot at the black bear. 他急忙抓起手枪,向那头黑熊射击。
- Many people were taken off by the Black Plague. 许多人被黑死病夺去了生命。
- The man is carrying a small black plastic handbag. 这个人提着一个黑色的小塑料提袋。
- The old trade in black ivory is on more. 昔日非洲黑奴的买卖已不复存。
- The black sedan suddenly drew out into the traffic. 黑色轿车突然开动,驶进了车流。
- I have a snag in my best black tights. 我最好的一条黑裤袜给划破了。
- He fell down the stairs and was all black and blue. 他从楼梯跌下而青一块紫一块了。
- Black and white show a striking contrast. 黑和白形成明显的对比。
- She buy a black nightie to wear on her honeymoon. 她买了一件黑色睡衣准备在蜜月时穿。
- Jim staked all his money on the black horse. 吉姆把所有的钱都押在那匹黑马上了。
- During the war we had to black out all our windows. 战时我们必须用黑布遮着窗口以免透光。
- My brother is the black sheep of the family. 我弟弟是我们家的害群之马。
- The lorry skidded on a stretch of black ice. 货车在薄冰路面上打滑。