英语词汇“To have a mournful countenance”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	To have a mournful countenance
释义	To have a mournful countenance 基本例句愁容满面 There was a sort of cloud over him.他愁容满面。 He told the story with a long face.他愁容满面地讲述了这个故事。
随便看	Blackbody detectivity Blackbody element blackbody emission black body emission blackbody emissive power black body emissivity black-body emissivity Blackbody equivalent temperature blackbody flame temperature blackbody furnace black body furnace black-body furnace blackbody lamp black body lamp blackbody locus black body locus blackbody noise equivalent power blackbody origin blackbody photocell black body photocell black-body photocell blackbody radiance curve blackbody radiantion spectrum blackbody radiant source blackbody radiating temperature