Pretersonics
[电] 高于500百万赫频率的声纳波
🗣️ 情景例句
People power.
人力。
Let us imagine a hypothetical case where we disagree.
让我们假设一个我们不同意的状况。
Suddenly, one of the children kicked a ball very hard and it went towards a passing boat.
突然，一个孩子狠狠地踢了一脚球，球便向着一只划过来的小船飞去。