Alphatron
α粒子电离压强计, α射线管
🗣️ 情景例句
I'm editor of the most influential newspaper in Riverdale.
我是Riverdale最有影响力的报纸的编辑。
What time do you finish your work?
你什么时候下班？
Our knowledge of the oceans a hundred years ago was confined to the two-dimensional shape of the sea surface and the hazards of navigation presented by the irregularities in depth of the shallow water close to the land.
100年前，我们只知道海洋是二维平面形的，以及靠近陆地浅水区的深浅不一能给航行带来危险。