penetrant
柯林斯词典
1. ADJ sharp; penetrating 鋒利的; 穿透的
2. N a substance that lowers the surface tension of a liquid and thus causes it to penetrate or be absorbed more easily 滲透劑[chem]
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1. ADJ sharp; penetrating 鋒利的; 穿透的
2. N a substance that lowers the surface tension of a liquid and thus causes it to penetrate or be absorbed more easily 滲透劑[chem]