Only very mean persons maltreat children.只有非常卑鄙的人才虐待儿童.To be rough or brutal with; maltreat.虐待粗暴或残忍地对待; 虐待.Never to maltreat children again!莫再“心罚”孩子!...
Diet constitution plays an important role in skeletal fluorosis.饮食结构对氟骨症有重要影响.Objective To propose suitable prevention measures for endemic fluorosis.目的提出甘肃省地方性氟中毒防治对策.Fluorine contents in grains of Xuzhou epidemic fluor...
Two types of viral symmetry have been recognized, the cubical symmetry and helical symmetry.已经证实病毒有两种对称型, 即立体对称和螺旋对称.The polynucleotide chain is helical.多核苷酸键是螺旋形的.The high laevorotation of L - cystine depends on a speci...