Alphatron
α粒子电离压强计, α射线管
🗣️ 情景例句
His number is 555-8842.
他的电话是555-8842。
We have a wide selection of sweaters that will appeal to all ages, and in particular the teenager market which you specified.
我们有各种各样适合各个年龄层次的羊毛衫，特别是您专门提到的青少年市场。
My father is at home looking for the ticket.
我爸爸正在家里找票呢！