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单词
protoplanetary disk
释义
protoplanetary disk
pro·to·plan·e·tar·y disk
P5670100
(prō′tō-plăn′ĭ-tĕr′ē)
n.
A disk of gas and dust, often geometrically thin and opaque, orbiting a newly formed star, from which planets may eventually form.
protoplanetary disk
protoplanetary disk
[
‚prōd·ō‚plan·ä‚ter·ē ′disk
]
(astronomy)
proplyd
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genitourinary apparatus
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更新时间:2025/11/30 12:58:07