departure from these rules

例句：

1. 1. Thetrain departed at 6:00 AM.
   火车在早上6点发车。
2. 2. She decided to leave for the beachthis weekend.
   她决定这个周末去海滩。
3. 3.The ship set sail from port and headedtowards the horizon.
   这艘船从港口启航，朝着地平线驶去。