adv.加倍地；雙重地；二倍地
My sense of isolation became doubly acute. 我的孤立感更加強烈了。
He is doubly troubled, by illness and poverty. 他受著疾病和貧窮的雙重困擾。
She is doubly gifted: as a writer and as an artist. 她又是作家又是藝術(shù)家,有雙重天賦。
All fibers are more or less doubly refractive. 所有纖維都具有程度不同的雙折射。
