Aligners
n. [机] 调整器；汽车的转向轮安装角测定仪；前轴定位器
🗣️ 情景例句
Thanks.
谢谢。
Oh, it's a shame that you have to leave.
哦，真遗憾，你非走不可呀。
Well, that pair looks nice. How much do they cost?
嗯，那双看来不错。多少钱？