Before long, the walls started to crumble from the inside out... 不久之后 墙开始从内部碎裂
Lignin strengthened the plants' cell walls... 木质素加强了植物的细胞壁
Nowhere better than on the walls of Colorado's grand canyon. 阅尽地球的历史变迁
And there were no rules on our cave walls 我们洞穴的墙上
the ones painted on our cave walls: 规矩都刻在洞穴的墙上了
Within the walls of the hospital, the truth is stripped bare. 在医院的围墙内 真♥相♥被赤♥裸♥裸地暴露出来
not within the walls of this hospital. 至少在这家医院里不行