Their solution was to isolate specific clones of B cells and fuse them with cancer cells.他们的解决方案是分离出特定的B细胞克隆，然后将它们和癌细胞结合。Papain and chymopapain can coagulate soybean protein isolate ( SPI ) , both of them are cysteine pr...
A high proportion of the new arrivals are skilled professionals.新来的人中很大一部分是技术熟练的专业人士。She had her hands full with new arrivals.她忙于应付新来的人。Arrivals continue to be abundant.到货仍然源源不断....
She was so tired, her eyelids were beginning to droop.她太疲倦了，眼睑开始往下垂。Don't let your spirits droop.不要萎靡不振.See how they hang their heads and droop, and wither.看!它们不是低着头,弯下腰, 就要枯萎了吗?...