adv.加倍地；双重地；二倍地
My sense of isolation became doubly acute. 我的孤立感更加强烈了。
He is doubly troubled, by illness and poverty. 他受着疾病和贫穷的双重困扰。
She is doubly gifted: as a writer and as an artist. 她又是作家又是艺术家,有双重天赋。
All fibers are more or less doubly refractive. 所有纤维都具有程度不同的双折射。
