The Tundra Times, a weekly newspaper in Alaska, ceased publication this week.阿拉斯加的周报《苔原时报》本周停刊了。They saw many seals off the Coast of Alaska.他们在阿拉斯加海岸外看见很多海豹.Gold was the loadstone that drew men to Alaska.金子是具有吸引力的东西,它引诱人...
Bacteria belong to the microorganism.细菌属于微生物.A single - celled microorganism, especially a flagellate protozoan of the genus Monas.单胞体 单细胞 的微生物, 尤指单''.'胞'. ''虫类的有鞭毛的原生动物.Aeration is a tank w...