Hubble constant
na. 【天】哈勃常数\\n
🧩 词语组成解析
n. 小凸起, 小瘤
🗣️ 情景例句
Bob speaking.
我就是鲍勃。
Did the chicken come before the egg?
先有鸡还是先有蛋？
I'd like to know some information about the current investment environment in your country?
我想了解一下贵国的投资环境。