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单词 proplyd
释义

proplyd

/ˈprəʊplɪd/
Astronomy
noun
An opaque disc of gas and dust orbiting a young star, thought to be an embryonic planetary system; a protoplanetary disc.

Origin

1990s; earliest use found in United Press International Newswire. From pro- + -pl- + -y + d-.

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更新时间:2024/11/10 19:08:11