干燥: to dry (of weather, paint, cement etc), desiccation, dull, uninteresting, arid...
指数: (numerical, statistical) index, (math.) exponent, index, exponential (function, growth)...
深入: to penetrate deeply, thorough...
幸运: fortunate, lucky, fortune, luck...
阶段: stage, section, phase, period...
投降: to surrender, surrender...
比例: proportion, scale...
后来: afterwards, later...
阿拉伯语: Arabic (language)...
