You can add the fluid to the powder, or, conversely, the powder to the fluid.

可把液体加入粉末，或者相反，把粉末加入液体。

《牛津词典》

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Conversely, if homework matters, it should account for a significant portion of the grade.

相反，如果家庭作业很重要，它应该占分数的很大一部分。

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Conversely, safe-haven assets, like gold and bonds, will fall by the wayside in the face of a bull market.

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Conversely, high-performing teams tend to have high levels of employee engagement and satisfaction.

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Conversely, small-market teams in Pittsburgh, Green Bay, and Indianapolis have sustained on-field excellence.

FORBES: The NFL's Free Agency Frenzy: A By-Product of Football's Economics, A Contributor to NFL's Unparalleled Demand