介绍： 1. 头等舱：first class

2. 公务舱：business class

3. 经济舱：economy class

4. 靠窗的座位：a window seat

5. 靠走道的座位: an aisle seat

e.g. Do you prefer a window seat or an aisle seat?

你喜欢靠窗还是靠走道的座位呢？

6. 紧急出口座位：emergency exit seat

e.g. The emergency exit seat will cost you $50 mo...

介绍： 1. 头等舱：first class

2. 公务舱：business class

3. 经济舱：economy class

4. 靠窗的座位：a window seat

5. 靠走道的座位: an aisle seat

e.g. Do you prefer a window seat or an aisle seat?

你喜欢靠窗还是靠走道的座位呢？

6. 紧急出口座位：emergency exit seat

e.g. The emergency exit seat will cost you $50 more.

紧急出口座位要额外多花50美元。