日期:
来源:雅诚德英语网
And your esophagus naturally constricts around anything inside it, so even though there is a thin protective gas layer, the esophagus will manage to make contact with the liquid nitrogen.
而且食道会压缩里面的任何东西,因此即便有稀薄的气垫保护,液氮还是与食道发生了亲密接触。