Expectoration
n. 咳痰, 吐痰, 吐出物\\n[医] 痰, 咳出
✅ 同义词
🗣️ 情景例句
Don't you have to work?
你明天不用上班吗？
So let us all welcome him to the podium.
让我们欢迎琼斯先生上台演讲。
A telescope would have to be as far away as the planet Jupiter to look for life in outer space, because the dust becomes thinner the further we travel towards the outer edges of our own solar system.
望远镜要放置在木星那样遥远的行星上才有可能在外层空间搜寻生命。因为我们越是接近太阳系的边缘，尘埃就越稀薄。