assembler
noun [ C ] computing specialized uk/əˈsem.blər/ us/əˈsem.blɚ/
(计算机的)汇编程序
a program that changes computer instructions into machine code (= a set of numbers that gives instructions to a computer)
(计算机的)汇编语言
assembly language (= the language used to write a computer program before it is turned into machine code)