sac的复数形式怎么拼写？

n.（动植物组织中的）囊，液囊abbr.缩写 = (US) Strategic Air Command 战略空军司令部。...

The chalazal megaspore of a linear tetrad develops into a polygonum type sac.四分体线行排列,合点端的大孢子发育为蓼型胚囊.The heart sounds are muffled when the pericardial sac is distended with fluid.当心包充满液体时心音减弱.With embryo sac haustoriumcha...

Amniocentesis is the removal of fluid from the amniotic sac.羊膜穿刺术是从羊膜囊抽取羊水的技术.The heart sounds are muffled when the pericardial sac is distended with fluid.当心包充满液体时心音减弱.Starch grains present in the embryo sac and placent...

sac的音标：sac的英式发音音标为：[sæk]sac的美式发音音标为：[sæk]...

busulfan的音标：busulfan的英式发音音标为：[b'ju:zəlfæn]busulfan的美式发音音标为：[b'juzəlfæn]...

水高岭土...

锰铝合金...

小晶状体...

n.青春期（一般指成年以前由13至15的发育期）...

Leconte showed good form.勒孔特表现出良好的状态。Henri Leconte has been knocked out in the quarter-finals of the Geneva Open.亨利·勒孔特在日内瓦公开赛四分之一决赛中被淘汰。...

boulevards的音标：...

adj.无数的，多种的，各式各样的n.无数，极大数量，[古语] 一万...

n.赛马的赌注者，粗制滥造的作家...

[体]弃权...

“贾维斯”的英语可以翻译为：[人名] Jurvis ...

joke的音标：joke的英式发音音标为：[dʒəʊk]joke的美式发音音标为：[dʒoʊk]...

v.馏除[除去]乙烷...

无规则力是完全紊乱的.The irregular force is completely irregular.水道中的水体是十分紊乱的.The water of the channel is quite turbulent.以色列必须齐心协力,克服那看起来好象步调紊乱的现象.Israel would have to pull itself together and overcome what was beginning to look ...