sac的复数形式怎么拼写？

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

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...

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。...

manicurist的音标：manicurist的英式发音音标为：['mænɪkjʊərɪst]manicurist的美式发音音标为：['mænɪkjʊrɪst]...

累韦切风...

assigner的音标：assigner的英式发音音标为：[ə'saɪnə]assigner的美式发音音标为：[ə'saɪnə]...

“行商”的反义词：坐商。...

adj.花盛开的...

人们开始四下察看，想弄清楚那声响来自何处。People began looking across to see where the noise was coming from.不难看出她从何处获得的这种自我感觉。It's not hard to see where she got her feelings about herself.不知从何处响起天籁般的音乐。Heavenly music swelled from nowhe...

“二肽”的拼音为：èr tài...

n.维生素C...

“烟筒”的拼音为：yān tong...

geobarometer的音标：geobarometer的英式发音音标为：[dʒi:əʊbə'rɒmɪtə]geobarometer的美式发音音标为：[dʒioʊbə'rɒmɪtə]...

“泔脚”的英语可以翻译为：hogwash ...

“带状物”的英语可以翻译为：ibbon ...

Eco的音标：...

气体的压强是由这些粒子对容器壁的撞击造成的.The pressure is caused by the bombardment of the container walls by these particles.依照理论, 物质只能在粒子 - 反粒子对中产生.According to the theory, matter can only be created in particle - antiparticle pairs.湮灭能产生...

“菊花”的拼音为：jú huā...