noun 下载 🔗分享 困倦,瞌睡,睡意。 State of being drowsy. Examples : "The medicine caused a feeling of drowsiness, so I couldn't concentrate on my homework. " 这种药引起了困倦感,所以我无法集中精力做作业。 medicine physiology sensation condition 与AI对话词汇游戏阅读练习