first-class (also first class)

• 1. 

  ADJ If you describe something or someone as first-class, you mean that they are extremely good and of the highest quality. 一流的

  例：

  The food was first-class.

  这些食物是一流的。

• 2. 

  ADJ You use first-class to describe something that is in the group that is considered to be of the highest standard. 优等的 [ADJ n]

  例：

  They always stayed in first-class hotels.

  他们总是下榻于最高级的宾馆。

• 3. 

  ADJ First-class accommodations on a train, aeroplane, or ship are the best and most expensive type of accommodations. (车厢、机舱、船舱座位) 头等的 [ADJ n]

  例：

  He won himself two first-class tickets to fly to Dublin.

  他为自己赢得了两张飞往都柏林的头等舱机票。

• 4. 

  ADV First-class is also an adverb. 坐头等车厢; 坐头等舱 [ADV after v]

  例：

  She had never flown first class before.

  她以前从未坐过飞机的头等舱。

• 5. 

  N-UNCOUNT First-class is the first-class accommodations on a train, aeroplane, or ship. 头等车厢; 头等舱

  例：

  He paid for and was assigned a cabin in first class.

  他付了钱，被安排到了头等舱。

• 6. 

  ADJ In the United States, first-class postage is the type of postage that is used for sending letters and postcards. 投送第一类邮件的 (邮资) [ADJ n]

  例：

  Two first-class stamps, please.

  请拿两张第一类邮件的邮票。