The two guards had been garrotted.
那两名警卫被人勒死了。
Also the luminance of drowning rabbits lungs which appeared grinding-glass-like change was lower than that in garrotting ones . There were prominently differentia between two groups .
溺死组兔肺双肺野在早期呈现典型的磨砂玻璃状,透亮度均低于对照组;