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- steam vapor outlet 蒸汽出口
- Group4：Use a pot with water.Put a tree leaf on it.Heat the water.When the steam vaporizes onto the leaf, we can catch the water . (拿一只锅子，锅子上方放一树叶，下面用火烧，当蒸汽蒸发到树叶上，就喝这水了。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- Group1：Use a pot with water .Put a tree leaf on it .Then heat the water .The steam vaporizes onto the leaf .The steam on the leaf drops into the coconut .At last , we can catch the fresh water . (拿一只锅子，锅子上方放一树叶，下面用火烧，当蒸汽蒸发到树叶上，树叶上的水珠滴到下面的椰子壳里，就取到了淡水。
- The steam tug takes canal boats and barges in tow. 驳船后面拖着小艇和平底船。
- Pure steam is a dry and invisible vapor . 纯蒸汽是干而看不见的汽体。
- The mirror fogged up with the steam. 镜子因蒙上水气而模糊不清。
- These boys want an outlet for their energy. 要有个办法让这些男孩子发泄他们的精力。
- There is a huge sales outlet for pocket computers. 袖珍电脑有极大的市场。
- The engines are driven by steam. 这些发动机是由蒸汽驱动的。
- Children need an outlet for their energy. 儿童的精力需要发泄出来。
- He needs an outlet for all that pent-up anger. 他那积愤需要有机会倾吐。
- Vapor jetted from the brood hose as from a little steam engine. 大鼻子里象小小的蒸气机似的冒出热气。
- Parents must let children blow off steam sometimes. 做父母的有时必须让孩寸们吵吵闹闹，发泄发泄。
- Chemicals that produce a noxious vapor when mixed. 化学物质混合后会放出有毒气体
- The movement continued to pick up steam. 这场运动继续在加速进行。
- Water can be changed into vapor when heated. 水被加热时，可以变成水蒸汽。
- Provide steam rings for tube side inlet and outlet flanges. 管程的入口与出口法兰配备蒸汽环。
- A liquid condensed from vapor in distillation. 蒸馏液; 馏出物在蒸馏中，从蒸汽浓缩的液体
- In1768 the first steam engine appeared. 在1768年出现了第一部蒸汽机。
