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- Dinosaurs tend to have highly vascular zed bone early in life and then develop dense bone with growth rings as they reach maturity. 恐龙在其一生的前阶段拥有密布血管的骨骼，而当其成年以后则具有厚厚的骨骼。
- Warm- blooded animals tend to have highly vascularized bone tissue. Cold-blooded animals,on the other hand,have relatively dense bone,sometimes even showing annual growth rings. 温血动物通常具有密布血管的骨骼组织，而冷血动物则有着相当厚的骨骼组织，有时甚至有每年生长的环带。
- Warm- blooded animals tend to have highly vascularized bone tissue. Cold-blooded animals, on the other hand, have relatively dense bone, sometimes even showing annual growth rings. 温血动物通常具有密布血管的骨骼组织，而冷血动物则有着相当厚的骨骼组织，有时甚至有每年生长的环带。
- The dense bone trabeculae of the most cases had become the rarefaction.73.33%of the soft tissue calcified surround the bone and 80%of the osteoarticular degeneration were aggravated. 结论长期改饮低氟水后，硬化型氟骨症的骨质可以明显改善，部分可以恢复正常。
- He thinks of new york as a den of iniquity. 他认为纽约是个藏污纳垢之处。
- He has made his house a den of thieves. 他把自己的家变成了一个贼窝。
- The bears den up together during the winter. 冬天熊一起在洞穴里冬眠。
- He thought of New York as a den of iniquity. 他认为纽约是个藏污纳垢之处。
- The liner ran down a fishing-boat during the dense fog. 班轮在浓雾中撞沉了一只渔船。
- The bar in the slum is a den of iniquity. 这个贫民窟里的小酒吧是一个充满罪恶的场所。
- Traffic was interrupted by a dense fog. 交通因浓雾而受阻。
- The tiger in the cage gnawed listlessly at a bone. 笼子里的老虎在没精打采地啃一根骨头。
- The police tracked the thieves to their den. 警察跟踪小偷，直到他们的老窝。
- She was trying hard to disgorge a fish bone. 她拚命想把鱼刺吐出来。
- They hewed their way through the dense jungle. 他们在浓密的丛林里开辟出一条路来。
- I can't see anything in this dense mist. 这样的浓雾里，我什么也看不见。
- Our budget has been pared to the bone. 我们的预算已削减到最低限度。
- He is so dense he'll never amount to anything. 他十分愚钝,决不会有出息。
- Traffic slowed down because of the dense fog. 因浓雾车辆减速行驶。
- Hunger had reduced the dog to skin and bone. 由于饥饿这条狗瘦成了皮包骨。
