Megaparsec
n. [天]百万秒差距
🗣️ 情景例句
How true!
千真万确。
What's your nationality?
你是什么国籍？
The deepest known cave in the world is the Gouffre Berger near Grenoble.
世界上最深的洞穴是格里诺布尔附近的高弗。伯杰洞，