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- The paper studies micellar enhanced ultrafiltration process(MEUF),a new way of treating waste water containing trace of metal ions by combination of UF membrance and surfactant. 新工艺与新设备的出现直接影响着我们的生活。
- The bed bore traces of having been slept in. 那张床上留有被人睡过的痕迹。
- He spoke without a trace of emotion. 他说话时毫不动感情。
- Did the police find any trace of the murderer? 警方找到凶手的行踪了吗？
- They failed to find any trace of the runaways. 他们未能找到逃跑者的任何踪迹。
- The aeroplane wing showed signs of metal fatigue. 机翼显出有金属疲劳的现象。
- There was barely a trace of salt in the soup. 汤里简直一点盐也没有放。
- He always spoke with a trace of sarcasm. 他说话总带着一丝讽刺。
- The cake on analysis was found to contain traces of toxin. 经分析发现蛋糕里含有微量的毒素。
- The frame of the umbrella is made of metal. 伞的骨架是金属制的。
- The doctor had a microscopic examination of traces of blood. 医生用显微镜作了血迹检查。
- A coating of metal sheets or plates. 金属板的外覆金属片或金属板的外覆
- The post-mortem revealed traces of poison in his stomach. 验尸发现他胃中有微量毒物。
- He shook a sheet of metal to simulate the noise of thunder. 他摇动一块金属薄片来模拟雷声。
- The country woke from her trace of two hundred years. 这个国家在沉睡了200年之后觉醒过来了。
- A slight trace of color; a tinge. 色调轻微的一抹颜色; 色调
- A thin sheet of metal, especially of tin. 锡铁片薄金属块，尤指锡
- Only faint traces of the tiger's tracks could be seen. 老虎的踪迹仅依稀可见。
- They cut holes on the sheet of metal with a punch press. 他们用冲床在金属板上打孔。
- A large drinking bowl or goblet made of metal or hard wood. 大酒碗用金属或硬木做成的大酒碗或酒杯
