Tonewheel
转速脉冲轮
🗣️ 情景例句
It only takes eight minutes by bicycle to the aerobics class.
骑自行车去上有氧运动课只需要八分钟。
My sister worked as a secretary before she got married.
在她结婚了以前，我的姐姐为一位秘书。
Morning, Mr. Wu! I see you're on foot today.
早上好，吴先生！今天我看见您走路来的。