Vacuum phototube
[电] 真空光电管
🧩 词语组成解析
n. 光电管\\n[医] 光电管
🗣️ 情景例句
Good-bye, Mr. Carlson. Thanks.
再见， Carlson先生。谢谢。
Are you watching TV now?
你在看电视吗？
I spent the whole day in my room, but I did not write a single card!
我在房间里关了整整一天。然而竟连一张明信片也没写成！