Lectin is a large molecule glucoprotein and can agglomerate the cell.凝集素是一种能作用于细胞使其凝聚的大分子物质,大多属糖蛋白.The structure of the chlorophyll molecule is known . It consists ofporphyrin.叶绿素的分子结构已经搞清, 它是由卟啉组成的.Scientists call this ...
The austerely lighted garage was quiet.灯光黯淡的车库静悄悄的.Five candles lighted up the bedroom.五支蜡烛照亮了卧室。In the lighted doorway stood the mountainous figure of a woman...一个身材高大的女人站在灯光明亮的门口。The ringing of the bell had caused the ...
The company is proud to be in the vanguard of scientific progress.这家公司以处于科学发展的领先地位而自豪。They are in the vanguard of technological advance.他们是技术发展的先导.In a way they played a vanguard role.在某种意义上说,他们起了先锋的作用....
The midwife gave him a warm bath.助产士给他洗了个热水澡。"You're doing really well," her midwife said encouragingly.“你做得很好，”助产士鼓励道。The midwife delivered her sister.那位助产护士给她妹妹接生....