... throw up the sponge 扔掉擦身海绵承认失败... lay the sponge发面 sponge off someone 坐吃某人的饭,白用某...
双语例句
1
To investigate the methods of constructing tissue engineering skin by ES-derived epidermal-like stem cells and collagen sponge, and to lay a basis for seeking new tissue engineering skin.