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tube (n)/ tuːb//tʃuːb /a long cylinder made from plastic, metal, rubber, or glass, especially used for moving or containing liquids or gasesống  Gases produced in the reaction pass through this tube and can then be collected. The laboratory technician transferred the liquid sample into a test tube for analysis. The subway system relies on a network of interconnected tubes to transport passengers. In pneumatics, an air tube carries compressed air to power various devices. Television sets use cathode-ray tubes to display images and colors. Từ vựng khác:outside , subway , train station , underground , audio-visual |