After installing the protractors , check the assembly for squareness prior to using the machine.按完量脚器后, 请在使用前仔细检查各个部件的按装....

n.订约人，承包人，收缩物...

subtracted的音标：subtracted的英式发音音标为：[səbt'ræktɪd]subtracted的美式发音音标为：[səbt'ræktɪd]...

unattractive的音标：unattractive的英式发音音标为：[ˌʌnə'træktɪv]unattractive的美式发音音标为：[ˌʌnə'træktɪv]...

地球[万有]引力...

attractable的音标：attractable的英式发音音标为：[ət'ræktəbl]attractable的美式发音音标为：[ət'ræktəbl]...

attract的现在完成时为：attracted...

cephalotractor的音标：cephalotractor的英式发音音标为：[sefələt'ræktə]cephalotractor的美式发音音标为：[sefələt'ræktə]...

extract的现在进行时为：extracting...

吸引力...

subcontract的复数形式为：subcontracts...

abstraction的复数形式为：abstractions...

She reached into the wardrobe and extracted another tracksuit.她伸手又从衣橱里取出一件运动服。This material has been extracted from "Collins Good Wood Handbook".这些材料摘自《柯林斯优秀木材手册》。The juice is extracted by centrifugal force.果汁是通过离心力榨取的。...

abstractedly的音标：abstractedly的英式发音音标为：[æb'stræktɪdlɪ]abstractedly的美式发音音标为：[æb'stræktɪdlɪ]...

n.分包，转包v.（将大工程）转包，分包( subcontract的现在分词 )，制定[履行]转包...

n.拖拉机( tractor的名词复数 )，牵引机，（牵引式挂车的）牵引车，拖车头...

attractions的音标：attractions的英式发音音标为：[ət'rækʃnz]attractions的美式发音音标为：[ət'rækʃnz]...

The results leaded to scar contracture and anastomotic stenosis.结果导致瘢痕性挛缩,吻合口狭窄.What is meant by bilateral gluteus contracture disease? How to treat?何谓双侧臀肌挛缩症? 如何治疗?Objective : To study the result of operation of metacar...

retract的音标：retract的英式发音音标为：[rɪ'trækt]retract的美式发音音标为：[rɪ'trækt]...

v.延长，拖延（某事物）( protract的现在分词 )...

detract的第三人称单数（三单）为：detracts...

protractor的音标：protractor的英式发音音标为：[prə'træktə(r)]protractor的美式发音音标为：[pro'træktɚ, prə-]...

tracts的音标：...

abstractionists的音标：...

The selectivity of extractant is high and only Au, Pd , Hg ete. are extracted.该萃取剂选择性高,它仅萃取Au 、 Pd和Hg等几种元素.An extractant - screening method with a vapor - liquid equilibrium apparatus in the extractive distillation was i...

extract的一般过去时为：extracted...

the expansion and contraction of the metal金属的膨胀与收缩Contraction of the timbers left gaps in the fence.木料收缩,结果围墙露出缝来.The forces of expansion are balanced by forces of contraction.扩张力和收缩力相互平衡....

v.毁损，贬低，减损( detract的第三人称单数 )...

subcontracting的音标：subcontracting的英式发音音标为：[sʌb'kəntræktɪŋ]subcontracting的美式发音音标为：[sʌb'kəntræktɪŋ]...

This compass serves as a protractor.这个罗盘可用作分度规.To draw to scale by means of a scale and protractor; plot.测绘用圆规和量角器划线和角; 标绘.I can't find my protractor.我找不到我的半圆仪了....