Ultraharmonics
超(高频)谐波, 高(次)谐波
🗣️ 情景例句
The editorial in this paper has my friend Nat Baker real upset.
这张报纸上的社论着实令我的朋友Nat Baker不高兴。
Does it make any difference to you whether we have our lesson at two o'clock or at three o'clock?
我们在两点上课还是在三点上课，你觉得有关系吗？
It seems too high to me.
好像贵了一点。