单词 | opacity |
释义 | o·pac·i·ty ![]() n. pl. o·pac·i·ties 1. The quality or state of being opaque. 2. Something opaque. 3. a. Obscurity; impenetrability. b. Dullness of mind. [French opacité, from Old French, from Latin opācitās, from opācus, dark.] |
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