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单词 Tooth root
释义

Tooth root

英语例句库

It is proved that the pressmark of tooth root, the state of carbide and remanentelements in the material have different effects on the toughness of POwer hacksaw blades.

结果证明,机用锯条的分齿压痕、基体碳化物状况以及材料中的残存元素等对机用锯条的韧性有不同程度的影响。

原声例句
侏罗纪搏击俱乐部

The first, a jagged array of serrated teeth rooted in jaws that could crush steel.

第一就是满口参差的能够咬穿钢铁的锯齿状牙齿。

英语百科

Tooth

A chimpanzee displaying its teeth
Section through the ivory tusk of a mammoth
Teeth of Great White Shark
The European medicinal leech has three jaws with numerous sharp teeth which function like little saws for incising a host.

A tooth (plural teeth) is a small, calcified, whitish structure found in the jaws (or mouths) of many vertebrates and used to break down food. Some animals, particularly carnivores, also use teeth for hunting or for defensive purposes. The roots of teeth are covered by gums. Teeth are not made of bone, but rather of multiple tissues of varying density and hardness. The cellular tissues that ultimately become teeth originate from the embryonic germ layer, the ectoderm.

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更新时间:2025/6/22 0:25:40