Mitron
电子调谐式柱形磁控管, 米管
🗣️ 情景例句
I have to sign copies of my book for a lot of people
我还必须为许多人在我的书上签名
What are you looking at? Never seen this before.
看什么看？没看过啊！
He has tasted the sweets and bitters of life.
他已尝遍了人生的甜酸苦辣。