keyboard operator怎么加复数快,求,

keyboard operator怎么加复数快,求, keyboard operator 怎么读 用中文 keyboard operator和engineer是什么意思? She is a keyboard operator变为复数 I'm a keyboard operator.汉语怎莫说? i am a keyboard operator.i operate keyboard.这么说行吗?看新概念看到的keyboard operator keyboard operator 复数快,急,现在就要用 is keyboard operator Tom's father a拼成句子 keyboard怎么读 keyboard operate 怎么翻译 Operator怎么读 operator怎么读? dying operator 怎么翻译? keyboard .. keyboard 新概念17课`they are keyboard operator为什么用这句```而不是用their are 难道用their operator tour operator中文怎么翻译