[with obj.](archaic)discharge (a fluid) gradually through pores in a membrane, especially within the body (古)使(液体)渗出(尤指通过毛孔排出体外) ■[no obj.](of a fluid) be discharged in such a way (液体)渗出,漏出
派生 transudate noun transudation noun 语源
mid 17th cent.: from French transsuder (in Old French tressuer), from Latin trans- 'across' + Latin sudare 'to sweat'