Echinoidea什么意思解释？

Echinoidea的音标：...

hydroturbine的音标：hydroturbine的英式发音音标为：[haɪdrə'tɜ:bɪn]hydroturbine的美式发音音标为：[haɪdrə'tɜbɪn]...

cashier的复数形式为：cashiers...

All spacemen must be able to bear acceleration.所有太空人都应能承受加速度.She said with a straight face she saw green spacemen in the back yard.她面无表情地说她在后院看到绿色外星人.There are five spacemen in the spaceship.宇宙飞船里有五个飞行员....

Mordern standards of historiography are, of course, lacking.当然, 书中缺乏现代编史工作标准.Compiling chorography is an excellent tradition of China historiography.纂修方志是我国史学的优良传统.The historiography of Alexander is a complex mix of evol...

n.（透光时方显出图像的）隐雕瓷（器）...

“螨科”的英语可以翻译为：[医] Acaridae ...

lipophilic的音标：lipophilic的英式发音音标为：[ˌlɪpə'fɪlɪk]lipophilic的美式发音音标为：[ˌlɪpə'fɪlɪk]...

“成团”的英语可以翻译为：clustering，conglobation ...

trebled的音标：...

The hucksters cried above the traffic sounds.小贩的吆喝盖住了来往车辆的喧嚣.Therefore, many hucksters use this opportunity to breed as many pets as possible.因此, 许多商贩利用这个良好时机,过度繁殖宠物....

“尾鳃”的英语可以翻译为：caudal gill，cercobranchiate ...

fetus的复数形式为：fetuses...

elatine的音标：elatine的英式发音音标为：[əleɪ'ti:n]elatine的美式发音音标为：[əleɪ'tin]...

这些电影将动画制作和长篇故事片融为一体。The films are a mix of anima-tion and full-length features.要使电脑动画的视觉效果达到要求的逼真程度，花费会十分昂贵。At the required level of visual verisimilitude, computer animation is costly.迪斯尼又回到了它最擅长的领域：制作动画长片。Disney has re...

assays的音标：...