每晚你都会听见炼钢厂的下班哨声。Every night you could hear the whistles of the steel mill.夜晚炼钢厂的上空闪着暗红色的光.There was a dull red glow in the night sky above the steelworks.炼钢厂排放出的硫形成了酸雨。Sulfur emissions from steel mills become acid rain....
用紫外分光光度法研究了胶原生物矿化的机理.The mechanism of collagen mineralization was studied by ultraviolet photometry method.单细胞 无核原生物,具简单的细胞、刚硬的细胞壁和(能动型的)的鞭毛.A single - celled or multicellular organism whose cells contain a distinct memb...
The man took her suitcase from her and then searched her.那名男子拿过她手中的提箱，然后对她搜身。Nigel has searched for work in a ten-mile radius around his home.奈杰尔一直在他家周围10英里的范围内找工作。Desperate with anxiety, Bob and Hans searched the whole ...