This made him the laughingstock of the whole school.这使他成为全校的笑柄.He made himself the laughingstock of the town.他成为镇上的笑柄.It has become the laughingstock of the town.这已成为全城的笑柄.Once a league laughingstock , nobody even much a...
PbZnTi - PILC catalyst is prepared by introducing Pb and Zn into Ti - PILC; DPC yield is 10.1 %.用把活性组分引入Ti -PILC 的方法制备了TiPbZn-PILC催化剂,其DPC产率为10.1%.Mouse Embryonic Fibroblast were obtained from mouse embryo 13.5 dpc or 14...