n.

1. （社會的）階級；社會等級[C][G]
   They hope to win mass support among the middle class.

   他們希望能贏得中產階級的廣泛支持。

2. 等級制度[U]
3. 班級；年級[C][G]
   The class were/was interested in his lecture.

   班上學生對他的講座都很感興趣。

   Are you in the third-year class?

   你是讀三年級嗎？

4. （一節）課；上課[C][U]
   No talking is allowed during class.

   上課時不准交談。

5. （高低優劣的）等級；級別；種類[C]
6. 【美】（某一年度的）畢業班[C][G]
   a class of 1994

   一九九四年畢業班

7. 【生】（動植物分類的）綱[C]
8. 【口】高品質；優異；出色的風度（或外表等）[U]
   a girl with real class

   很有風度的姑娘

vt.

1. 把……分類；把……分等級；把……歸入某類（或某等級）[（+as/among/with）]
   That state is classed as an agricultural area.

   該州被劃為農業區。

n.

1. a set or category of things having a property or feature in common and differentiated from others by kind or quality.
   ▸Biology  a principal taxonomic grouping that ranks above order and below phylum or division, such as Mammalia.
   ▸Brit. a division of candidates according to merit in a university examination.
2. a system that divides members of a society into sets based on perceived social or economic status.
   ▸a social division based on economic or social status.
3. a group of students or pupils who are taught together.
   ▸a lesson.
   ▸chiefly N. Amer. all of the college or school students graduating in a particular year.
4. informal impressive stylishness in appearance or behaviour.

v.

adj.