They are made up of an outer layer of enamel, and an inner layer of hard, dense, bony tissue called dentin.
它们的牙齿由外层的牙釉质以及内层坚硬、紧密的骨组织构成,这些骨组织被称为牙质。
单词 | bony tissue |
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原声例句
VOA慢速英语_世界 They are made up of an outer layer of enamel, and an inner layer of hard, dense, bony tissue called dentin. 它们的牙齿由外层的牙釉质以及内层坚硬、紧密的骨组织构成,这些骨组织被称为牙质。 PBS地球-动物趣闻 See, bone and other bony tissues contain a lot of Calcium and Phosphorous. 看,骨头和其他骨组织含有大量的钙和磷。 古生物科普 These are little webs of bony tissue that warm up air that's entering the lungs and remove moisture from the breath as it's being exhaled. 这些是骨组织的小网,可以加热进入肺部的空气,并在呼气时去除呼吸中的水分。 Osmosis-肌骨 Both of these tumors classically form a nidus – which is a disorganized mix of small blood vessels, tiny rods of bone called trabeculae, and unmineralized bony tissue called osteoid. 通常这两种肿瘤形成癌巢:癌巢是小血管、小棒状骨(小梁骨)、未矿化骨(即类骨质)等无组织的构成。 |
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