It is expensive to buy and a bind to carry home.买这个费用很贵，搬回家也费劲。These compounds bind with genetic material in the liver.这些化合物在肝脏中与遗传物质实现结合。These may bind to receptor molecules on the surfaces of cells.这些可能会在细胞表面和受体分子结合在一起...
She made liberal use of her elder sister's make-up and clothes.她随便把姐姐的化妆品和衣服拿来用。He is now an elder of the village church.他现在是乡村教会的长老。She used to play games of make-believe with her elder sister.她过去常跟姐姐玩扮家家的游戏。...