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- He sucked in air, then went under the water again. 他深深吸了一口气又潜到水里。
- When the consistence of contamination in air being calculated with diffusing model of contamination,it is important to confirm air stabilization. 应用大气扩散模型计算大气污染物浓度时,大气稳定度的确定非常重要。
- Designed to operate on land, water, or in air. 长于陆海空作战的,三栖的可在陆上、水上或空中操作的
- Actually facial ministry must have normal grease to secrete everyday, invade the skin in order to avoid the contaminant in air, hold back ultraviolet harm. 其实脸部天天都必须有正常的油脂分泌,以避免空气中的污染物侵袭皮肤,阻挡紫外线的伤害。
- How much does sound travel faster in water than in air? 声音在水中比在空气中传播快多少?
- The speed of sound in water is about four as great as in air. 声音在水中的速度是空气中的四倍左右
- Exhaust gas has been incriminated in air pollution in cities. 废气已过视为城市空气污染的原因。
- CO gas is one of the main contaminations in public room. CO气体是造成公共场所室内空气污染的主要污染气体。
- She crawled onto the river bank and lay there gulping in air. 她爬上河岸,躺在那里喘着大气。
- What is the percentage of nitrogen in air? 空气中所含的氮的比例是多少?
- He watched the bombs bursting in air. 他看见炸弹在空中爆炸。
- He sucked in air,then went under the water again. 他深深吸了一口气又潜到水里。
- The oxidizing temperature is350℃,3 hr in air. 过氧化则会使薄膜富氧,同样使结构变化,吸收限变宽而向高能方向移动。
- Rinse filters in air conditioners. 冲洗空调的过滤网。
- Sound travels better in water than in air. 声音在水中比在空气中传播得快。
- Casualties in air crashes are terrible. 空难的人员伤亡很可怕。
- Contaminations in air 空气污染物
- Breathe in air the colour of lavender. 你将淡紫色的空气吸入了体内。
- Sound travels at 1, 100 feet per second in air. 声音在空气中的传播速度为每秒钟1,100英尺。
- Jack was a grease monkey in Air Force. 杰克在空军当过飞机检修工。