1.
most birds are toothless; a toothless old crone.
大多数的鸟都是无齿的；一个无齿的丑老太婆。
2.
Of or belonging to the order Edentata, which includes mammals having few or no teeth, such as anteaters, armadillos, and sloths.
贫齿目的属于贫齿目的，包括无齿和少齿的哺乳动物，如食蚁兽、犰狳和树懒
3.
gearless ultra low speed motor
无齿轮传动超低速电动机
4.
blade, for hand or machine saws (incl. toothless)
手锯或机用锯锯条（包括无齿的）
5.
drill ,crown, not toothed, with an abrasive coated working edge
无齿顶钻,带涂有磨料的工作刃
6.
flesh of any of numerous North American food fishes with toothless jaws.
各种北美洲无齿食用鱼类的肉。
7.
Research on Gearless and Tractive Oil Pumping Unit with Permanent Magnetic Synchronous Machine;
永磁同步无齿轮曳引式抽油机的研究
8.
Research on Permanent Magnetic Synchronous Machine Using in Gearless Elevator
无齿轮电梯用永磁同步电动机的研究
9.
Morphological development and growth characteristics of the juvenile of Anodonta woodiana
背角无齿蚌稚蚌形态发育与生长特性
10.
clutchless speed change gear
无离合器的变速齿轮
11.
"Gears operate in pairs, the teeth of one engaging the teeth of a second, to transmit and modify rotary motion and torque."
齿轮成对运转,无滑动地传递并改变旋转运动和转矩,一个齿轮的齿与配对齿轮的齿啮合。
12.
The principle of gear pump without mesh-force and gear parametric design
无啮合力齿轮泵原理及其齿轮参数化设计
13.
Accordingly,the least teeth number without undercutting is also decided only by the design pressure angle of the gear,without any relation to the coefficient of addendum height of the gear.
相应的无根切最少齿数也仅取决于正弦齿轮的设计压力角,而与齿顶高系数值无关.
14.
It hurts so much I can't sleep at night.
牙齿很痛，在晚上我无法入睡。
15.
silent third and fourth gearset
无声三速和四速传动齿轮组
16.
and other little rodents that gnaw away the farmers' profits.
和其他啮齿动物无限制地繁殖起来。
17.
drill ,crown, toothed, whether or not abrasive coated working edge
有齿顶钻,无论表面是否涂有磨料
18.
slender cylindrical marine fishes lacking air bladders and teeth.
无鳔或齿的长圆型海水鱼的一个属。