Dematron
(=distributed emission magnetron amplifier) 分布放射磁控管放大器, 代码管
🗣️ 情景例句
The evening newspaper is cheaper than the morning paper.
晚报比早报要便宜。
To knit the sweater
织毛衣
Merry Christmas and best wishes for the New Year!
圣诞快乐，并致以新年的良好祝愿！