他机智诙谐，具有敏锐的商业头脑。He was witty, amusing and gifted with a sharp business brain.布兰德敏锐的耳朵听出了口音。Brand's keen ear caught the trace of an accent.观察敏锐的步行者可能在这一路段看到赤鹿。Observant walkers may see red deer along this stretch of ...
碳化植物残余通常是丰富的.Carbonized plant remains are commonly abundant.它是阳光与大气中的碳化氢和氧化氮作用的结果.It is the result of sunlight reacting with hydrocarbons and nitrogen oxides in the atmosphere.叙述了PI原丝的碳化和石墨化过程.The carbonization and the g...