Vectron
超高频频谱分析仪
🗣️ 情景例句
Please forgive me.
请原谅。
Through thick and thin, they have always been my precious team mates, advisers, and above all, friends.
我们同甘共苦，亲如伙伴，他们是我的军师，更是我的朋友。
I went back to the ticket office at once.
我马上又回到售票处。