Pretersonics
[电] 高于500百万赫频率的声纳波
🗣️ 情景例句
Where there's smoke, there's fire.
事出必有因，无风不起浪。
Fighting one's own.
起内哄。
l am vacuuming the floor now and have several shirts to iron.
我正在用真空吸尘器清理地板，还有好几件衬衫要熨。