根据最近的观测发现钥匙洞星云中具有相当高结构性的分子云。

The Keyhole Nebula was recently discovered to contain highly structured clouds of molecular gas.

youdao

根据最近的观测发现钥匙洞星云中具有相当高结构性的分子云。

The Keyhole Nebula was recently discovered to contain highly structured clouds of molecular gas.

youdao