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- Operate a built in air cleaner in a place where there in no light. 在没有光源的地方安装空气过滤器。
- He sucked in air, then went under the water again. 他深深吸了一口气又潜到水里。
- 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
- 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。
- The Grand Canal began to build in the Sui Dynasty. 大运河是在隋朝开始修建的。
- 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。
- This is our newly designed build in projector. 这是我们新近设计的内装式放映机。
- He saw the building in silhouette. 他看到了那幢建筑的轮廓。
- The house is build in imitation of a roman villa. 这所房子是仿罗马别墅式的建筑。
- There's a build in flash gun in this camera. 这架照相机有一个内藏闪光灯。
- He asked the carpenter to build in some cupboards . 他请木匠嵌加几个橱柜。
- What is the percentage of nitrogen in air? 空气中所含的氮的比例是多少?
- He asked the carpenter to build in some cupboards. 他请木匠嵌加几个橱柜。
- He watched the bombs bursting in air. 他看见炸弹在空中爆炸。
- This express way was built in 1985. 这条高速公路建于1985年。
- Churches are often built in the form of a cross. 教堂常常建成十字形。
- I worked in the tallest building in Taibei. 我在台北最高的大楼上班。
- He sucked in air,then went under the water again. 他深深吸了一口气又潜到水里。
