词汇	serve two aces
释义	serve two aces 发球得两分
随便看	sulfate reducing bacteria corrosion sulfate reducing bactericide sulfate reducing bacterium sulfate-reducing bacterium sulfate-reducing conditions sulfatereducting bacteria sulfate reducting bacteria sulfate reduction sulfate-reduction bacteria sulfate-reduction bacterium sulfate removal rate sulfate residue sulfate residue test sulfate resin sulfate resistance sulfate-resistant portland cement sulfate resisting cement sulfate resisting portland cement sulfate-resisting Portland cement sulfate resisting silicate cement sulfate respiration sulfate rosin sulfa-ter-tablets Sulfa-Ter-Tablets sulfates