Eye for eye, tooth for tooth.

As the old saying:" An eye for the tooth.

古语有云眼睛换牙齿

A canine tooth, especially of a horse.

犬牙，尖牙尤指马的犬牙这匹马的牙已经磨平了。

None of the 3 cases using hydroxyapatite erupted a canine tooth.

羟基磷灰石者3例无一例有牙萌出。

Preliminary Report on the Effect of Nd ∶ YAG Laser Irradiation on Canine Tooth Pulps

Nd：YAG激光处理犬牙髓实验研究初步报告

Study on the Manufacturing Technology of Pear Layer Powder with Canine Tooth Instant Exploding Method

犬齿瞬间爆裂法制备珍珠薄层粉工艺研究

Experimental Research on Canine Tooth Pulp with Nd: TAG Laser Radiation

Nd：YAG激光照射犬牙髓的实验观察

Research and exploration on sand mining plan in trunk stream of the middle and lower Yangtze river

长江中下游干流河道采砂规划研究与探索

Analysis of rational land use program in trunk stream of Tarim drainage basin

塔里木河干流流域土地合理利用与规划

The Water Quality and Change Tendency Analysis for Hanjiang River Trunk Stream

汉江干流水质现状与变化趋势分析

A simple and easy method in computing the average vertical slope of a trunk stream

河道干流平均纵坡降计算的简化

Analysis on changing tendency of water quality in trunk stream of Yangtze River Since 2000

2000年以来长江干流水质变化趋势分析

He looked at her sceptically.

他怀疑地看着她.

I went over that document with a fine-toothed comb.

我一字不漏地仔细阅读了那份文件.

Indeed, a fiber-optic tube can be half the diameter of a human hair.

实际上, 光缆 管的直径仅仅是人的头发丝的一半.

The test result demonstrated that the calcium content in human hair changed regularly with age.

测定结果表明:人发中钙含量随年龄变化规律明显.

Carbon nanotubes are rolled-up sheets of graphite thousands of times thinner than a human hair.

碳纳米管是由比人的头发细千倍的石墨板卷曲成的管状结构.

It's one-twentieth the thickness of a human hair.

它相当于人的头发丝二十分之一那么细.

A human hair consists mainly of a pro-tein called Keratin.

人类的头发主要由一种叫角朊的蛋白质组成.

These days human hair is widely available and affordable.

现在,人类真发却很容易找到,也不算很贵.

The Billboard Woman of the Year award selects a female artist with trailblazing achievements.

公告牌年度女性这个奖项是授予具有开拓性成就的女性艺术家。