Serrasoid
锯齿波(调制)
🗣️ 情景例句
I see. Then you don't have any collateral.
我明白了。那么你们没有任何担保物。
Just tell it like it is.
你就直话直说吧！
Education, with its cycles of instruction so carefully worked out,
教育，以其教学周期如此精心地安排，