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- Jawed vertebrates have the ability to form specific antibodies in response to many foreign substances . 颌类脊椎动物有一种能产生特定抗体以此抵抗外来物质的能力。
- Paleontologists believe they are the most primitive jawed vertebrates, even predating sharks.Related: "Fossil Meat Found in 380-Million-Year-Old Fish" [February 12, 2007]. 古生物学家们认为它们是最原始的有颌脊椎动物，甚至捕食鲨鱼。
- In jawed vertebrates, this system is supplemented with a second system, known as adaptive immunity, which involves a specialized network of immune cells and organs. 在有腭脊椎动物中，此系统还有第二系统辅助，即一般所称之适应性免疫，其包含免疫细胞与器官形成的特殊防御网络。
- Although jawless vertebrates are apparently capable of adaptive immune responses, they have not been found to possess the recombinatorial antigen receptors shared by all jawed vertebrates. 所有植物和动物都利用先天受体来识别病原体。
- I hit him fair and square on the jaw. 我不偏不倚打中他的下巴。
- extinct order of jawless vertebrates. 已经灭绝的无颚脊椎动物目。
- I hit the man fair and square on the jaw. 我不偏不倚击中了那个人的下巴。
- Fish, birds and human beings are all vertebrates. 鱼、鸟和人类都是脊椎动物。
- She jawed him all day about that. 她为那事数说了他一整天。
- A corresponding part in other vertebrates. 手指，足趾其它脊椎动物相对应的部位
- He delivered a hard blow to my jaw. 他朝我的下巴施以重重的一击。
- He laid the attacker low with a punch to the jaw. 他一拳击中攻击他的人的下颚，把他打倒在地。
- On hearing the news, his jaw dropped. 听到这个消息，他惊讶得张口结舌。
- A canine tooth of the upper jaw. 上颚犬齿上颚的一个犬齿
- extinct group of armored jawless vertebrates; taxonomy is not clear 一种已灭绝的无下巴甲壳脊椎动物；其分类尚不明确
- He gave the rogue a smash on the jaw. 他朝那流氓的下巴猛击一拳。
- A strong square jaw is a sign of firm character. 强健的方颚是性格坚定的象征。
- The central forward portion of the lower jaw. 下巴下颚中间向前突出的部分
- extinct group of armored jawless vertebrates; taxonomy is not clear. 一种已灭绝的无下巴甲壳脊椎动物；其分类尚不明确。
- A hot cloth press against your jaw will usually soothe a toothache. 把热毛巾放在下巴上一般能缓解牙痛。
