最好的雕刻工具是锋利而柔韧的长刻刀。The best carving utensil is a long, sharp, flexible knife.刻刀可象绘图笔一样,固定在简易的刀架上.The cutter can be mounted like a pennib in a simple holder.卡萝尔又在捉摸着桌上那把雕刻刀了.Carol again studied the carving - knife on the t...
Several aminopeptidases complete the hydrolysis of peptides into amino acids.几种氨肽酶把肽水解成氨基酸.The mechanisms of sorption - catalyzed organophosphate hydrolysis are not well understood.吸附催化水解有机磷的机制还不太清楚.Hydrolysis of polymer...