Thousands of years ago in Egypt, salt was used to embalm the dead.千万年前埃及人曾利用盐涂尸防腐.The Egyptians used to embalm the bodies of their deadkings and queens.埃及人以前用药物保存国王和王后的尸体.The Egyptians used to embalm the bodies of their ...
集体化之后就应实现机械化.Collectivization should be followed by mechanization.到那以后,才能谈集体化.After that we can talk of collectivization.集体化过程中,始终有部分农民对集体化组织形式采取拒斥态度.There were always some farmers who refused and ostracized the movement...
要确保每天的钙摄入量。Be sure you get your daily quota of calcium.钙可能有助于预防结肠癌。Calcium may aid in the prevention of colon cancer.奶制品富含钙与蛋白质。Milk products are an excellent source of calcium and protein....
热力学是很难教的一门课。Thermodynamics is a hard course to teach.学券会增加不平等,因为最难教的孩子将会被甩在后面.Vouchers would increase inequality because children who are hardest to teach would be left behind....
6小时50分进入低囊胚期.It enter the late blastula stage in 6 h 50 min.这些囊胚细胞, 称卵裂球, 每个细胞都有一套二倍体染色体组.The cells of the blastula , called blastomeres, also each receive a full diploid set of chromosomes.桑椹胚形成于''.'囊...