Electrocathodoluminescence
场控阴极射线发光
🗣️ 情景例句
there isn't any work for a retired person my age.
没有我这种年纪的退休老人的工作。
Please tell him to stop running in and out.
请告诉他不要跑进跑出。
It's missing head happened to be among remains of the fifth century B.C.
而她那身异处的脑袋却碰巧是在公元前5世纪的文物中找到的。