Sgm
abbr. spark gap modulator 火花隙调节器
🗣️ 情景例句
No. I really don't know how to go about it.
没有。我真不知道如何填。
Forget it!
算了！
Dickie left the shop without a word and returned carrying a large cloth bag.
迪基二话没说就走了。一会儿，他带着一个大布口袋回到店里。