In Alberta and Saskatchewan there are many hills where dinosaur bones were found.亚伯达和萨斯喀彻温省的许多山区发现了恐龙化石....a flightless dinosaur.没有飞行能力的恐龙The largest brain possessed by any dinosaur weighed about a kilogram.最大的恐龙脑子大约有一公斤...
The fossils at Dinosaur Cove are embedded in hard sandstones.恐龙峡谷中的化石都嵌在坚硬的砂岩中。The largest brain possessed by any dinosaur weighed about a kilogram.最大的恐龙脑子大约有一公斤重.In Alberta and Saskatchewan there are many hills where di...
Objective To summarize the experience of VATS clinic application.目的总结电视胸腔镜手术(vats) 胸外科疾病治疗中的临床应用经验....barrel-makers whose trade was rendered obsolete by the introduction of stainless steel wine vats.不锈钢葡萄酒桶的出现使木制酒桶制造者没了生...
雪堆积日久而凝固如冰.The old snow has compacted into the hardness of ice.但在背阳的一面, 却又寒冷如冰.In the shade, however, it is as cold as ice.把钢瓶暴露于腐蚀性材料,如冰熔化的化合物.Expose cylinders to corrosive materials such as ice melting compounds....