Underfrequency
降低了的频率, 最低的频率, 低于额定频率
🗣️ 情景例句
Mike and I had a hamburger at the diner. Mike
和我在火车厢餐厅那里吃了汉堡。
We're becoming a good band.
咱们会逐渐成为一支出色的乐队。
While two detectives were keeping guard at the door, two others opened the parcel.
这时两个侦探把住门口，另外两个侦探打开了包裹。