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新东方-柯林斯雅思备考词典
permeable
英 [ˈpɜːmiəbəl]
[ADJ]
1. 可渗透的
If a substance is permeable, something such as water or gas can pass through it or soak into it.
双语例句
例：A number of products have been developed which are permeable to air and water.
已经开发了许多可渗水和透气的产品。
例：Selectively permeable membranes are thought to have tiny pores which allow the rapid passage of small water molecules.
人们认为选择性渗透膜上有能让微小的水分子快速通过的小孔。