When he got back, he switched labs to study how cerebrospinal fluid nourishes the developing nervous system.(回来后，他将实验室里的研究课题转向了脑脊液如何滋养发发育中的神经系统。)
The cells of this cluster inside next to the fluid-filled cavity is a region of the blastocyst called the inner cell mass.(在充满液体的腔体旁边的这个簇状细胞是囊胚的一个区域，称为内细胞团。)
Pipitone says if you increase protein, you also have to increase your fluid intake.(Pipitone说，如果你增加了蛋白质（摄入量），你也必须增加你的液体摄入量。)
His painting became less illustrational and more fluid.(他的画变得更为流畅，没那么生硬了。)
The free amino acids in the cystic fluid of Cysticercus cellulosae were studied.(研究了猪囊虫囊液中的游离氨基酸。)
While the swimmer's movements may be smooth and fluid, people have neither fins to stay afloat or generate speed, nor gills to deal with going under.(虽然游泳者的动作可能是平稳和流畅的，但人们既没有鳍来保持漂浮或产生速度，也没有鳃用于在水下呼吸。)
Speech is generally clear, fluid and sustained.(演讲通常清晰、流畅、持续。)
OK, now we also want some drawing pens, ink and correction fluid, and some drawing paper.(好的，现在我们还需要一些绘图笔、墨水和修正液，以及一些绘图纸。)
Babies with congenital blockages that prevent this fluid from escaping from their lungs are sometimes born with deformed lungs.(有的婴儿具有先天性阻止这种液体从肺部流出的阻塞，他们时常是生有畸形肺部的。)
Master fluid mosaic model of the cell membrane.(掌握细胞膜的流体镶嵌模型。)
