视频对话：
I konw, mom. All the flights were cancelled.
我知道，妈妈。所有的航班都取消了。
But they're not really...
但是，他们不……
It's bad.
情况怎么这么糟糕。
They're not sure if it'll be today.
他们不确定今天是否可以恢复。
本期学习词汇：
flight
n.（物体的）飞行；航班；飞翔；楼梯的一段；鸟群；逃避，躲开
vi.成群地迁徙或飞行
vt.射击；使惊飞
例句：
1. I'll try to get on the flight down to Karachi tonight.
我尽量赶上今晚去卡拉奇的航班。
2. These hawks are magnificent in flight, soaring and circling for long periods...
这些鹰飞行能力极其出色，可以长时间在空中翱翔和盘旋。
3. A flight of green parrots shot out of the cedar forest.
一群绿鹦鹉从杉木林里疾速飞出。
4. The family was often in flight, hiding out in friends' houses.
这一家人常常东躲西藏，在朋友家里避风头。
5. May your love soar on the wings of a dove in flight.
愿你的爱乘着飞翔的白鸽,振翅高飞。