Sgm
abbr. spark gap modulator 火花隙调节器
🗣️ 情景例句
I think you'll be just fine.
我想你是没问题了。
A young man married is a man that's marred.
男子早婚，种下祸根。
It took years of hard work to speak good English.
讲一口流利的英语需要多年的刻苦操练。