词汇	struggled to be polite
释义	struggled to be polite. 尽力地做到礼貌
随便看	calibration of sensors calibration of simulator calibration of synthetic job calibration of system calibration of system models calibration of tank calibration of tanks calibration of test gauge calibration of testing instrument calibration of testing machine Calibration of the Hall magnetometer Calibration of theodolite geometry relation calibration of thermocouple calibration of thermometer Calibration of urethra Calibration of view angle calibration of viscometer calibration of viscometre calibration of wavelength scale calibration of weight calibration of weights calibration of workload model calibration of x ray unit calibration of x-ray unit calibration on ground