n.

1. 出现；显露[C]
   John's appearance in the doorway was welcomed with shouts.

   约翰出现在门口时，大家高喊着欢迎他。

2. 露面；来到；演出[C]
   The singer made her first appearance in a concert in Boston.

   这位歌唱家第一次演出是在波士顿的一个音乐会上。

   She's made a number of television appearances.

   她已在电视上好几次亮相。

3. 出版[C]
4. 出庭，到案[C]
5. 外貌，外观；外表[U][C]
   The appearance of the old house completely changed.

   那所旧房子的外观全变了。

6. 景象，现象[C]
7. 表面迹象[P]

n.

1. the way that someone or something appears.
   ▸an impression given:

   she read it with every appearance of interest.
2. an act of performing in a public event.
3. an act of arriving or becoming visible.