Vectron
超高频频谱分析仪
🗣️ 情景例句
Good idea.
好主意。
I told him to stay for supper.
我告诉他留下来吃晚餐。
These days, advertisers not only offer free samples, but free cars, free houses, and free trips round the world as well.
目前，做广告的人不仅提供免费样品，而且还提供免费汽车，免费住房，免费周游世界。