| 单词 | 开闭 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔guard cell〕One of the paired epidermal cells that control the opening and closing of a stoma in plant tissue.保卫细胞：控制植物组织中气孔开闭的成对表面细胞之一美国传统〔hang〕This door hangs badly.这门装得不好。(或:这门开闭不灵。)英汉大词典〔hinge〕A similar structure or part, such as one that enables the valves of a bivalve mollusk to open and close.类似铰链的装置：类似的结构或部分，如使双壳类软体动物的壳张开闭合的关节美国传统The wood has rotted so the door doesn't fit properly.木头烂掉了，门没法顺当地开闭。剑桥国际 |
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