not able to be seen through; not transparent
不透明的;不透光的
-
the windows were opaque with ancient grime .窗户因长久积灰而不透光。
〈喻〉 (尤指语言)晦涩的;难理解的
-
technical jargon that was opaque to her .她不理解的技术术语。
an opaque thing or substance
不透明体。
[mass noun]
【摄】 (用于底片)不透明颜料。
"late Middle English