Sohm
abbr. self-oscillating harmonic mixer 自激振荡谐波混频器
🗣️ 情景例句
He never married because
他不结婚是因为
Who wrote that composition?
那个作品是谁写的？
this little 'o' indicated that the train only stopped for mail.
这个标记表示列车是为装邮件而停车。