Bitonal
a. [音]双调的
🗣️ 情景例句
Is he still with IBM?
他还在IBM工作吗？
I'll need an economy ticket with an open return.
我要一张经济舱，回来时间不定的来回票。
That sounds interesting. That was a hundred years ago, wasn't it?
听起来很有意思。那是一百年前的事了，不是吗？