柯林斯詞典morning sickness 1. N-UNCOUNT Morning sickness is a feeling of sickness that some women have, often in the morning, when they are pregnant. (孕婦)晨吐 返回 morning sickness劍橋詞典the feeling of wanting to vomit experienced by some women during the first months of pregnancy （孕婦）惡心，晨吐 返回 morning sickness