fundamental particle
noun /ˌfʌndəmentl ˈpɑːtɪkl/
/ˌfʌndəmentl ˈpɑːrtɪkl/
(also elementary particle)
- a very small piece of matter (= a substance), such as a quark, that does not contain within it any even smaller pieces of matter
基本粒子：非常小的物质，例如夸克，其中不包含任何甚至更小的物质。