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
Alexandra came by.
Alexandra来了。
The greatest talkers are always the least doers.
言语的巨人往往是行动的侏儒。
Tom said that he was feeling ill.
汤姆说他不舒服。