they crawl短语⁹⁰⁸⁸⁷⁺⁷ 基本例句 🌏鬼蟑螂；地狱之虫；蟑螂横行 Electron microscopy has elegantly shown the incredible plasticity of the relatively bulky white cells as they crawl through the narrow, serpentine pathways between endothelial cells. 通过电子显微镜可明确地观察到当白细胞通过内皮细胞之间狭窄、蜿蜒的通道时，显示出难以置信的可塑性。 www.fjmu.edu.cn