n.

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

   電腦是現代科學的一個奇蹟。

2. （一門）科學，學科[C][U]
   Some people think that chess is a science, not just a game.

   一些人認為西洋棋不僅是一種遊戲而是一門科學。

3. 專門的技巧，技術[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.