苏人总是为领地权与其他部落作战。The Sioux had always fought other tribes for territorial rights.他的调解可能会帮上该部落的忙。His intercession could be of help to the tribe.他们同其他印第安部落作战，但很少与白人并肩对敌。They battled against other Indian tribes, but rarely f...
科学家根据那些化石的骨骼结构确定其年代.Scientists have dated the fossils by their bone structure.有两个因素对生物化石的保存是有利的.Tow factors are favorable for the preservation of organisms as fossils.它们是怎样变成化石的?How did they become fossils?...
“美是肤浅的。”妈妈会说。"Beauty is only skin deep," my mother would say.他自称为历史学家, 但是他的书都是些肤浅的通俗作品.He calls himself a historian, but his books are a mere journalism.这是一本立论肤浅的书.It's a superficial book....
Most living creatures are capable of adaptation when compelled to do so.大多数生物都能在迫于压力的情况下适应新环境。We don't mind who gets the credit so long as we don't get the blame...谁受到表扬无所谓，只要我们不挨批就好。My husband and I both go ou...