She is catching cold today, so she can't descant on the tune.

她今天感冒了, 不能唱高声卸.

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He is going to descant on the theme of our human mystery.

他将在人类奥秘这个主题上作详细的评论.

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The girl singers were asked to descant on the tune.

请女歌手们唱这支歌曲.

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The girl students were asked to descant on the tune.

女生们被要求唱高音部分.

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He is going to descant on the beauties of the scene.

他将详述风景的.

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The boy singers were asked to descant on the tune.

要求男孩子们唱高音部分.

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