The tanker began spilling oil the moment her outer plating ruptured.油轮外部金属板覆层破裂的那一瞬间，油开始外溢。The wall through Berlin was finally ruptured, prefiguring the reunification of Germany.柏林墙终于倒塌了，预示着德国的重新统一。They reported that the...
The cat acted as a surrogate mum to the chicks.这只貓当起了小鸡的妈妈来。As soon as the two chicks hatch, they leave the nest burrow...两只小鸟一出壳就离开了巢穴。A hen hovers her chicks.一只母鸡在孵小鸡.Methods FDM was established in 60 one - day - old l...
采用1,4- 丁二醇 、 马来酸酐及十八醇为主要原料,合成出一种双子表面活性剂1, 4- 丁二醇双琥珀酸十八醇双酯磺酸钠.A new type gemini surfactant was synthesized from 1,4 - butanediol , maleic anhydride and 1 - octadecanol.研究了加入聚对苯二甲酸丁二醇酯(PBT) 对酚醛塑料的增韧改性.A phenolic resin was ...