核心词议：
n. 下颌骨
jawbone 基本解释
n. 下颌骨
adv. <美俚>凭信用地
adv. <美俚>凭信用地
速记方法
速记技巧 词源词根法 jaw，下巴，bone，骨。
知识扩展
jawbone 变化形式
复数： jawbones
中文词源： jawbone 下巴骨 jaw,下巴，bone,骨。 jawbone
精选例句
1、 He came across the jawbone of a 4.5 million-year-old marsupial.
他偶然发现了一个450万年前的有袋动物的颌骨。
常见考点例句：
- The problem with studying humanity 's fossil record is that it is so sparse : a jawbone here ; a braincase there .
- 研究人类化石记录最大的问题是资源稀缺，总是这儿一块颚骨，那儿一块头骨。
- It was also possible that the jawbone had been found by humans and its teeth used to make a necklace , he said .
- 也有可能是有人发现了那具下颌骨，并把它的牙齿拿来做项链，他说。
- The jawbone from which he had the crucial dna extracted is now back with the rest of the unknown sailor 's remains , and there are provisional plans to bury the man in geraldton .
- 提取出原始dna的颌骨如今已经回到无名水兵的遗骨里，同时，有各种暂时性的计划打算把这个人埋在杰拉尔顿。
- Fragments of hitler 's skull and jawbone are still in russia , according to interfax .
- 希特勒的头骨和颚骨碎片仍然在俄罗斯，据国际文传电讯。
- How would he know if we added the jawbone to his skeleton ?
- 他怎么会知道我们把下颚骨安到骷髅上了?
