Shuttling
n. 往复运动；梭动
🗣️ 情景例句
Does Daddy want to move?
爸爸想要搬吗？
The hardest thing to learn is to be a good loser.
最难学的一点是做一个输的起的人。
All the students are expert drivers, but before they drive any of the buses, they will have to pass a special test.
所有的学生都是开车的能手，但在驾驶公共汽车之前，他们必须通过一项专门测验。