Radiothor
放射性指示剂
🗣️ 情景例句
What was that about?
说些什么？
Do you offer FOB or CIF?
你们报船上交货价还是到岸价？
We stay at home on Sundays. We play games on Tuesdays and Thursdays.
周日我们呆在家里。周二、周四玩游戏。