Epidemy
列病
🗣️ 情景例句
I've been moonlighting for years.
我几年来一直兼职。
They say there's a traffic accident in front of us.
据说在我们前方发生了车祸。
he realizes its volume, as the space that the shape displaces in the air.
他能意识到物体的体积，那就是它的形状在空气中所占的空间。