Laserium
激光天象仪
🗣️ 情景例句
No advertising material.
谢绝广告。
How long will you remain there?
你将会在那里逗留多久？
Mars is too dry and poor in oxygen, Venus far too hot, and so is Mercury,
火星太干燥又缺氧，金星太热，水星也一样。