Keyboarder
n. 操作键盘的人；键盘输入员
🗣️ 情景例句
What year are you?
你是哪一级的？
How long have you been married?
你们结婚多久了？
namely 6 million million miles.) Radio waves also travel at the speed of light,
即6万亿英里）。无线电波也是以光速传播的。