Phototubes
(phototube 的复数) n. 光电管\\n[医] 光电管
🗣️ 情景例句
I'm glad to see you two guys getting along so well
看到你们两位相处得这么好我很高兴，
If I were you, I'd choose this product.
如果我是你，我就选择这种产品。
A telescope would have to be as far away as the planet Jupiter to look for life in outer space, because the dust becomes thinner the further we travel towards the outer edges of our own solar system.
望远镜要放置在木星那样遥远的行星上才有可能在外层空间搜寻生命。因为我们越是接近太阳系的边缘，尘埃就越稀薄。