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单词
sunspot penumbra
释义
sunspot penumbra
网络
半影
网络释义
1.
半影
黑子的中央暗黑部分叫做“本 影”（sunspot umbra），本影周围有半暗区叫做“
半影
”（
sunspot penumbra
）。 本影区内温度为 42…
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例句
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were obliged to
were occupied in
were occupied with
were of aid
were of benefit
were of concern
were of equal size
were of little value
were of no avail
were of no consequence
were of no use
were of the opinion that
were of use to
were on
were only here today
were on the watch for
were on view
were open to question
were out
were out of a job
were out of phase
were out of the question
were out of touch with
werepanther
were peculiar to
英汉双解词典包含2704715条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。
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更新时间：2025/1/14 5:45:49