polar solvent的用法和樣例：
例句
- The super-molecular structures of the solute and the solvent molecules connected by hydrogen bonding have been constructed for four kinds of polar solvents.
在四種極性溶劑中，我們構造了包括氫鍵作用的超分子結構。 - The effects of different solvent,temperature&concentration on the selective proportion of direct synthesis of p-bromophenol,o-bromophenol&2,4-dibromophenol have been studied.
研究了在非極性溶劑和部分極性溶劑中以苯酚為原料進行直接溴化反應。
