Sendoff
n. 送行，欢送
🗣️ 情景例句
He keeps good company.
他和好人来往。
No one is wise at all times.
人总有一时之失。
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。