- 相关词组
- rose countersink菊花钻;
- snail countersink螺旋锥口钻;
- countersink drill尖底锪钻;
- countersink bolt埋头螺栓;
- align reamer对准铰刀，长铰刀;
- bottoming reamer平底铰刀，精铰刀;
- machine countersink机用锥形锪钻;
- 今日热词
- 热门搜索
- dog n.狗;蹩脚货;丑女人;卑鄙小人;v.困扰;跟踪;
- approve vt.& vi.赞成，同意;vt.批准;认可;核准;为…提供证据;
- severe adj.十分严重的;极为恶劣的;严厉的;苛刻的;艰难的;简朴的;
- webcam n.网络摄像机，网络摄影机;网络摄影，画面可以通过互联网同步播出;
- steer vt.& vi.驾驶;操纵，控制;引导;vt.掌（舵）;
- meet v.遇见;碰到;结识;迎接;集合;会晤;交锋;满足;偿付;和…接触;遭遇;n.运动会;猎狐行动;
- giraffe n.长颈鹿;
- eager adj.热切的;盼望的;
- lack n.缺乏;v.缺少;
- shelf n.架子，搁板;突出的岩石，陆架;
- willingly adv.乐意地，愿意地;积极肯干地;
- AIDS abbr.acquired immune deficiency syndrome 获得性免疫缺乏综合征（艾滋病）;acute infectious diseases 急性传染病;aircraft integrated data system 飞行器集成数据系统;n.助手（ aid的名词复数 ）;外援;辅助设备;帮助;
