cometary h Ⅱ region

彗状电离氢区  detail>>

cometary

 adj.  彗星(状)的。  detail>>

h ii region

电离氢区 氢离子区  detail>>

ultracompact h Ⅱ region

超致密电离氢区  detail>>

cometary astronomy

彗星天文学  detail>>

cometary burst

彗暴  detail>>

cometary dynamics

彗星动力学  detail>>

cometary flare

彗耀  detail>>

cometary head

彗头  detail>>

cometary impact

彗星冲击  detail>>

cometary luminosity

彗发  detail>>

cometary meteor

彗星流星  detail>>

cometary nucleus

彗核  detail>>

cometary outburst

彗爆发  detail>>

cometary physics

彗星物理  detail>>

cometary proplyd

彗状原行星盘  detail>>

cometary stream

彗星流星雨  detail>>

h

 短语和例子   an H-beam steel H形钢条。 an H-Post H形电杆。 drop one's h's 不发h音〔如伦敦方言中把 hat 读...  detail>>