Telepyrometer
定时高温计
🗣️ 情景例句
He spends too much money on his hobbies.
他在爱好方面花了很多钱。
He's still a boy after all.
他毕竟还只是个孩子。
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。