1.head for 前往
例句:He headed for me after I called him.
叫了他一声之后,他朝我走过来了 。
2.loaded with 装载某物
例句:The tractor was loaded with strawberries.
拖拉机里装满了草莓 。
3.take off 起飞
例句:You can watch aircraft take off or land at close quarters.
你可以近距离观察飞机的起降 。
4.based on 以…为基础
例句:All of the work we do is based on science.
我们所做的一切都是在科学的基础上完成的 。