adj.環(huán)繞恒星的
Another expectation, which Hubble overturned, was that the circumstellar disks would be deeply embedded within their parent clouds and would therefore be impossible to see. 另外有一個被哈伯推翻的猜測，是因為環(huán)繞恒星的氣盤深藏在其母云氣之中，所以無從窺其究竟。
