Tossup
n. 各占一半的机会，碰运气的事; 扔钱币决定某事
🗣️ 情景例句
to move the air-conditioning units
移动空调设备
He has a letter.
他有一封信。
The dancer ran in a straight line, wagging from side to side.
跳舞的蜜蜂左右摇摆地沿直线飞。