对水解酶间隔作用作完全分析是很难达到的.A complete analysis of the compartmentation of hydrolases is difficult to achieve.这些要求很难达到.These requirements are going to be difficult to meet.他很难达到目的, 因为他这人太拘泥细节了.He'll hardly reach his aim, be...
I believe he is most painfully anxious about Diana.我相信他肯定非常担心黛安娜。I am painfully aware that staff have a heavy work schedule.我非常清楚员工们工作繁重。The divorce was painfully public, feeding her dislike of the press.离婚的事张扬出去，她十分痛苦，更...
Sedimentary facies include river bed , alluvial flat, neritic , river mouth and limnetic, littoral, weathered continental drift bed and flood deposit facies.沉积相主要有河床相 、 河漫滩相、浅海相 、 河口湾相、湖沼相 、 滨海相和陆相坡积洪积风化红土等7种类型,它们的分布与古河谷...