Ubitron
(=Undulated Beam injector)波动射束注入器
🗣️ 情景例句
I'm staying in a holiday resort.
我正呆在一个度假胜地。
I'm boating at the lake.
我在湖边划船。
He called out to the children and threw the ball back to the bank.
他大声叫着那些孩子，把球扔回到岸上。