“质心”的拼音？

它绕着质心的椭园运动就几乎看不出来.Its own elliptic motion around it will be almost imperceptible.在无外力时,质心的速度是常量.The velocity of the center of mass is constant in the absence of external forces.错误的根源在于混淆了质心与重心 吗 ?Do We Mistake Center of ...

“质心”的英语可以翻译为：[力] barycenter，barycentre，centroid，center of mass ...

all the time的音标：all the time的英式发音音标为：[ɔ:l ðə taim]all the time的美式发音音标为：[ɔl ði taɪm]...

enterocystoma的音标：enterocystoma的英式发音音标为：[entərəsɪs'təmə]enterocystoma的美式发音音标为：[entərəsɪs'təmə]...

Germanizes的音标：...

ketotetrose的音标：ketotetrose的英式发音音标为：[ki:təʊ'tetrəʊs]ketotetrose的美式发音音标为：[kitoʊ'tetroʊs]...

grime的一般过去时为：grimed...

n.唇状瓣...

Owen was against it, on the grounds of expense.欧文因费用问题对此表示反对。Discrimination by employers on the grounds of race and nationality was illegal.雇主以种族或国籍为由歧视员工是非法的。He was found not guilty of murder on the grounds of diminishe...

Politics is clubby, careerist, and cynical.政治是排外的，充满野心的，只顾自己不顾他人的。...careerist politicians.野心勃勃的政客Ambition for personal gain egged the bourgeois careerist on.个人利欲支配着这个资产阶级野心家的行动.Nothing could sate the careerist's gr...

There was a huge bang; it sounded like a supersonic jet.传来一声巨响，听起来像是超音速喷气式飞机的声音。These planes travel at supersonic speeds.这些飞机以超音速的速度飞行.Supersonic flight could become a routine form of travel in the 21st century.搭乘超音速飞机会成...

银杏化石属...

“苦头”的拼音为：kǔ tóu...

缺磷的...

fluorin的音标：fluorin的英式发音音标为：['flʊ(:)ərɪn]fluorin的美式发音音标为：['flʊ()ərɪn]...

“脑脊髓”的拼音为：nǎo jǐ suǐ...

我们的神圣作出申述的银箔印制.Our sacred representations are made of silver foil printed.铝箔纸次给有金箔和银箔两栽.Fanwei: a gold foil and silver foils are applied.这个银箔邮票被放在密封的收藏卡中, 以防止氧化.The silver stamp comes on a collectible card, which is seal...