这些细胞称为内胚层细胞.These cells are known as endodermal cells.这些表皮细胞在胚胎学上把源于支气管生长过程中的前内脏叫内胚层.These epithelial elements arise embryologically from foregut endoderm in the process of bronchial tubular growth....
这书橱装有50册书,但它能装下100册.The bookcase contains fifty volumes but holds a hundred.这书橱很不结实,装不了这么多书.This bookcase is too unstable to hold so many books.你分组件买这个书橱,再把它们卡榫对准组合在一起.You buy this bookcase in sections and slot them toge...
溶液和熔体的粘度等性能曲线并不呈现平坦.Among the properties which do not show a leveling - off are the viscosities of solutions and melts.探讨了PET酯 化、聚合生产过程对熔体直接纺丝的影响.The effect of PET production on melt direct - spinning is discussed.用熔体发泡法...
His face was ashy grey.他面如土色.His glassy eyes and his ashy face were alight in an instant.他那没光的眼睛和苍白的脸,登时就神采奕奕.Both of the window screens were ashy, you would feel dim when looked out of window.两个窗纱也灰蒙蒙的, 从宿舍向外看朦朦胧胧的感觉....
双方交火时动用了大炮、迫击炮和轻武器。The two sides exchanged fire with artillery, mortars and small arms.这个世界上的轻武器超过5亿5千万.There are over 550 million firearms in world - wide circulation.轻武器包括狙击步枪, 喷火器, 手机等.Small weapons include sniper rif...
a burning desire to win取胜的迫切愿望She had a burning desire to wreak revenge.她复仇心切。They did not tell, they catalyzed a burning desire to know.他们并不灌输知识, 而是激起学生求知的热望....