Ubitron
(=Undulated Beam injector)波动射束注入器
🗣️ 情景例句
and keep the cultural programs for our kids.
以便为我们的孩子保存文化活动。
She began playing the violin when she was nine.
她从九岁就开始练习小提琴。
Suppose every sensor gives perfectly accurate readings of temperature,
再假定每个传感器都极端准确地读出了温度、