单词 | 水密 |
释义 | 〔suberin〕A waxy waterproof substance present in the cell walls of cork tissue in plants.软木脂:植物木栓层中细胞之间细胞壁中的一种蜡状水密物质〔watertight〕So tightly made that water cannot enter or escape.水密的:制造之紧密以致水无法进入或漏出的〔cofferdam〕A temporary watertight enclosure that is pumped dry to expose the bottom of a body of water so that construction, as of piers, may be undertaken.围堰:一种临时性的水密围绕物,抽干后露出水体的底部,以便对建筑物(如桥墩)施工 |
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