chéng / xù / yuán / xiān / bǎ / yuán / dài / mǎ / biān / yì / chéng / jī / xiè / mǎ / zài / jiāo / gěi / jì / suàn / jī / yùn / xíng程序员先把源代码编译成机械码,再交给计算机运行。The programmer first compiles the source code into machine code and then runs it on the computer.