Dematron
(=distributed emission magnetron amplifier) 分布放射磁控管放大器, 代码管
🗣️ 情景例句
Susan's teddy bear.
Susan送的泰迪熊
Health and cheerfulness mutually beget each other.
健康愉快，相生相成。
Great! Shall I bring food for a picnic?
好极了！我要带些野餐食品来吗？