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(jìn)行直接溴化反應。
