牙齿的

Consistent with this, oral teeth are proposed to arise exclusively from ectoderm, contributing to tooth enamel epithelium, and from neural crest derived mesenchyme, contributing to dentin and pulp.

脊椎动物的口腔发育被认为是始于外胚层的内陷，因此牙齿的发育被认为是外胚层和神经嵴来源的间充质。

In order to adapt to market demand, the new product to protect teeth has been the emergence of.

为了适应市场的需求，新的保护牙齿的产品也在不断的出现。

Young Arthur was horrified: She was hunchbacked and hideous, had only one tooth, smelled like sewage, made obscene noises ...

这样的一个要求惊呆了年轻的亚瑟王，因为这个巫婆是一个只有一颗牙齿的驼背丑八怪，笑起来就像臭污水一样，发出猥亵的噪音。

The 3-D FE model of the maxilla and upper incisors of this study had proved to be precise and effective, and could be applied in the stress-strain analysis of the maxilla and teeth.

本研究建立的上颌骨和上切牙的三维有限元模型较为理想，可以作相应的颌骨、牙齿的生物力学分析；其建模技术较为独特而精准可行。

Leaves narrowly hastate, both surfaces densely stellate hairy; wings of ocrea with dentate margin.

狭戟形的叶，星状毛的两面浓密；托叶鞘具具牙齿的边缘的翅。 101 P 。 maackianum 长戟叶蓼

Both DPSCs and DPMCs had the expression of DSPP gene after 7Key words: Dental pulp stem cells ; Dental papillae mesenchymal cells ; Odontoblast

DPSCs是一种较为理想的牙胚问充质细胞的替代细胞，在适宜的诱导环境中能够替代DPMCs进行牙齿的再生研究。

These are the caves beneath the waves, where stripy fish with feathery fins and sharks with hideous toothy grins swam round the whale and the snail on his tail.

海浪下面是珊瑚洞穴，长着羽毛一样的翅膀和全身条纹的鱼儿，还有龇牙咧嘴长着可怕牙齿的鲨鱼，在鲸鱼和他尾巴上的小蜗牛身边游来游去。

The isotopic ratio is incorporated as the tooth grows, leaving a record over time similar to tree rings.

同位素的比例随着牙齿的生长融入其中并随着时间的流逝留下记录，类似于树木的年轮）。

Flowers solitary, or 2 or 3, rarely 3–8, subfasciculate; leaf apex acute, obtuse, or apiculate; twigs setose or hispidulous.

叶中心的裂片不裂，钝的的具牙齿的在边缘，披针形披针形或菱形 43

Tooth size, shape, dentinal radiopacity and exposure conditions are additional variables which affect the ability to radiographically detect the material.

牙齿的大小、形态、牙本质的X线阻射性能和曝光条件是另外一些影响材料的X线阻射性能的变量。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。