Pretersonics
[电] 高于500百万赫频率的声纳波
🗣️ 情景例句
No way. I must get everything ready before noon.
不行啊，我必须在中午前把一切都做好。
No road is long with good company.
途有好伴，不觉路远。
We'll have to discuss about the total contract price.
我们不得不讨论一下合同的总价格问题。