大家都搜:
[古生]菊石类
1、cammock rd scarborough me───卡莫克路斯卡伯勒我
2、ammon───n.阿蒙神(古代埃及的太阳神)
3、casings ammo───弹壳DanYao
4、ammoniacal nitrogen───氨态氮;[化] 氨型氮
5、ammonium chloride───卤砂,[无化]氯化铵;n.氯化铵,卤砂
6、ammon gruwell───阿蒙·格鲁威尔
7、ammoniac def───氨化def
8、mammoth toys───猛犸玩具
9、ammoniac───n.氨树胶;氨草胶;adj.氨的;含氨的
10、mammock───碎皮
1、Ammonoids, with their tightly coiled, spiral shells, are also widespread in the Permian fossil record.───鹦鹉螺化石,这些螺旋状的贝壳,经常分布在二叠纪的化石群中。
2、Then Whiteside and Ward looked at the fossil record of ammonoids, a class of creatures that resemble shelled squid and dominated Earth's oceans from 400 million to 65 million years ago.───怀特塞德和沃德也研究了菊石的化石记录。菊石室一种类似于鱿鱼的生物,四亿至五亿年之前菊石遍布地球海洋之中。
3、The late Cretaceous extinction of the dinosaurs and ammonoids was just one of the more drastic in a whole series of such recurrent extinction episodes.───在这一系列周期性物种灭绝事件里,白垩纪晚期恐龙和菊石的灭绝仅仅是其中一个比较严重的事件。
4、Remains of more modern corals, diverse pelecypods, sea urchins and ammonoids characterize the marine strata of the Mesozoic ERA.───中生代生物的特征是出现较现代的珊瑚,各种各样的瓣鳃,海胆和菊石。