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- A layer of trapped air that serves as insulation. 用于绝缘的密封空气层
- Bleed test cocks No. 2, 3 and 4 to remove any trapped air. 排放测试旋塞2号,3号和4号,排除所有残存的空气。
- The paper is smoothed and pressed to remove trapped air. 纸张被放平并挤压排除多余的空气。
- Open bleed port at high point in system and vent trapped air until a solid stream of liquid emerges (where practical). 打开系统较高点的泄放口，排出收集的空气，直至液体液柱流出现（效果已验证）
- Polar bear hair is hollow to trap air for insulation while the sea otter has the densest fur with 125,000 hairs per cm2. 北极熊的毛发是中空的，用以困住绝缘空气层；海獭的毛皮稠密到每平方公分十二万根。
- These layers trap air and act like insulation, keeping the person underneath the quilt warm. 这些布层的功能就像绝缘体，能将空气困在其中，使棉被下面的人保持温暖。
- Additives called admixtures may be used to accelerate the curing (hardening) process in low temperature conditions. Other admixtures trap air in the concrete or slow shrinkage and increase strength. 混凝土在低温状况下加入混合物可加速硬化程序,有的混合物可使空气留在混凝土中或使它慢慢缩小和增加强度。
- He was trapped in a burning house. 他被困在正在燃烧的房屋里。
- The air in the garden was warm and fragrant. 花园里的空气一片温馨。
- The archers sent their shafts through the air. 弓箭手向空中射出利箭。
- Be ware of falling into their trap. 当心中了他们的计。
- The lack of air in the room make everyone sniffle. 屋子里空气缺乏，使得每个人都频频吸气。
- Sand and leaves trapped the water in the stream. 沙子和树叶堵住了小河的水流。
- He was trapped in a no-win situation. 他陷入必败的处境。
- During the intermission, let's go out for some fresh air. 幕间休息时，我们出去呼吸呼吸新鲜空气吧。
- The police trapped him into a confession. 警察设圈套使他招供。
- The air held a foretaste of a storm. 天气有要括大风的迹象。
- Many women are trapped in loveless marriages. 许多妇女陷入没有爱情的婚姻之中而无法摆脱。
- They were trapped in the burning hotel. 他们被困在发生火灾的旅馆里。
- The air was reeking with the smell of tobacco. 空气中弥漫着烟草的气味。
