Retractometer
收缩仪
🗣️ 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？
What do you know?
你懂什么？
The children shouted to the driver, but he did not hear them.
孩子们对着司机喊叫着，但是他没有听见。