Vectron
超高频频谱分析仪
🗣️ 情景例句
We'll have a great time camping out, I'm sure.
我确定我们会在露营时玩得很开心。
Where there's reek there's heat.
无风不起浪。
I like the colour very much.It's lovely dress,
我很喜欢这颜色。这件漂亮的衣服，