Subfrequency
分谐波频率; 分谐频
🗣️ 情景例句
We'll open a letter of credit if you promise to effect shipment one month earlier.
如果你方答应提前一个月交货，我们就同意开信用证。
Do you have some change?
你有零钱吗？
she was impatient to try it on.
这时她急于想试试。