1. 光斑：factor group 剩余群 | facula 光斑 | faddeev equation 法捷耶夫方程
2. 白：factory test ==> 工場試験 | facula ==> 白はん | faculty of engineering ==> 工学部
3. 光斑 (天文)：因子分解 factorization | 光斑 (天文) facula | 法杰夫-波波夫拟设 Faddeev-Popov ansatz
noun
1. 911查询·英语单词
1. a large bright spot on the sun's photosphere occurring most frequently in the vicinity of sunspots
2. a bright spot on a planet