Ubitron
(=Undulated Beam injector)波动射束注入器
🗣️ 情景例句
She's enthusiastic about the new teaching method.
她对新的教学方法很热心。
I'm the smallest boy in my party.
我是我的聚会中最廋小的男孩。
Dad, when you sent me to Paris to see if I could really earn a living as a painter.
爸爸，你把我送去巴黎，想看看我是否真正能以绘画谋生。