关于那些十分引人注意的史前动物――恐龙――的情况,我们知道得不算少.We know a great deal about those fascinating prehistoric animals, the dinosaurs.鉴于恐龙的食量是如此之大,贝克的结论认为恐龙是热血动物.Baker concluded the dinosaurs were warm - blooded because they ate so much.博物馆...
The jaw muscles are almost always involved ( lockjaw ).咬肌几均受累,此为 lockjaw 名称的由来.Bacteria that live in the soil may produce tetanus ( lockjaw ) .生存于土壤中的细菌可引起 破伤风.Tetanus ( or lockjaw ): Acute bacterial disease caused by Cl...