verb🔗Share皱眉， 愁眉苦脸。 To frown; to look sullen."After failing the test, Mark lours at his desk, refusing to look at anyone. "考试不及格后，马克愁眉苦脸地趴在桌子上，谁也不看。attitudeemotioncharacterappearanceChat with AIVocabulary GamePractice Reading
verb🔗Share阴沉，变得阴暗。 To be dark, gloomy, and threatening, as clouds; of the sky: to be covered with dark and threatening clouds; to show threatening signs of approach, as a tempest."The sky lours ominously above the school, threatening a sudden downpour just as the students are dismissed. "天空在学校上方阴沉地笼罩着，眼看学生们放学时就要下起倾盆大雨。weathernatureenvironmentChat with AIVocabulary GamePractice Reading
