Heat gently until the sugar dissolves.

慢慢加热直到糖溶解为止。

《牛津词典》

Once the sugar dissolves, add the chocolate and melt it.

糖溶解后，加入巧克力并使其融化。

youdao

Keep adding more and more sugar, each time stirring it until it dissolves, until no more will dissolve.

接着再加更多的砂糖，每次都把它搅拌至溶解，直至所有的都溶解了。

youdao

This is a piece of fluff that dissolves like a sugar cube as you watch it.

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There she is, right over here -- invented a new type of sugar packet that dissolves in hot water.

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So icing sugar, for instance, dissolves more quickly in water than does the granulated form.

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