Acrometer
油类比重计
🗣️ 情景例句
The policemen could not cope with the crowds.
警察不能对付群众。
Keep good men company, and you shall be of the number.
近朱者赤。
By 12.01, those fluctuations will already have created small errors one foot away.
到12∶01时，那些波动就已经会在1英尺远的地方造成偏差。