n.

1. 科学；自然科学[U]
   The computer is a marvel of modern science.

   电子计算机是现代科学的一个奇迹。

2. （一门）科学，学科[C][U]
   Some people think that chess is a science, not just a game.

   一些人认为国际象棋是一门科学，而不仅是一种游戏。

3. 专门的技巧，技术[U]

n.

1. the intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment.
2. a systematically organized body of knowledge on any subject.
3. archaic knowledge.