在更新世冰期, 古水系常被冰川作用完全改造.During the Pleistocene Ice Age , the ancient drainage systems were almost completely rearranged by glaciation.冻冰期后的暖和天气;冰雪融化.A three - month ice - free period during the summer.塔里木板块上元古界阿勒通沟组和黄羊沟组: ...
这种植物现在有绝种的危险.The plant is now in danger of extinction.温斯顿觉得, 查林顿先生也算个绝种的动物呢.Mr Charrington, thought Winston, was another extinct animal.某些绝种的头足类动物具有特殊的旋卷形态.Certain extinct cephalopods have an unusual coiling shape....
He had maybe a thousand tapes, all neatly labelled and catalogued.他大约有1,000盒磁带，都整齐地贴着标签并分了类。The librarians catalogued the new books.图书管理人员把新书编成目录.The new books are being catalogued.新到的图书正在编目....
Objective To study the catalytic activity of potassium bisulfate in synthesizing hexyl hexanoate.目的研究硫酸氢钾在合成己酸己酯工艺中的催化性能.Isoamyl butyrate was synthesized by using potassium bisulfate as the catalyst.以硫酸氢钾为催化剂,正丁酸和异戊醇为原料合...
那你反对我征询典狱官的意见 吗 ?Do you have any objection to my asking the warden for his opinion?在典狱官看管时, 监狱中有不到100个狱友.When the warden took charge, the prison had fewer than 100 inmates.玛法里奥和泰兰德及时赶到挽救了典狱官, 但是伊利丹又一次躲避了追捕.He and Tyrande...
这家商店进口诸如彩绘葫芦容器等商品。The shop imports goods such as painted gourd containers.干葫芦有时用作饰品.Dried gourds are sometimes used as ornaments.村民们用葫芦盛水.The villagers use gourds for holding water....