Oscillating
[计] 振荡的
✅ 同义词
🗣️ 情景例句
What guarantee do I have that it won't break down easily?
有什么保障它不会轻易出故障？
Be quiet.
安静一点！
Eric had been the eldest son of the family, very much older than his two brothers.
埃里克是这家长子。