我不能判定他到底是英勇无畏还是精神失常。I couldn't decide whether he was incredibly brave or just insane.全镇的人都英勇无畏地投入了这场战争。The town responded gallantly to the War.你勇敢无畏,一定会获得成功。You're brave and courageous. You can make it....
分析了白色丙烯酸 - 聚氨酯汽车面漆粉化的原因,并提出了防止粉化的措施.Powdering of white acrylic acid - polyUrethane automobile painting was described. Measures were proposed to prevent powdering....