Rbl
[医][=reid's base line]里德基线
🗣️ 情景例句
Not really.
不是吧。
We must not lie down,and cry,God help us.
求神不如求己。
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。