Everybody seems at sixes and sevens.每个人都好象乱七八糟的.The government is at sixes and sevens over the issue of domestic security.在国内安全问题上，政府一片混乱。I'm all at sixes and sevens about what to do.我心里七上八下,不知该怎么办.The dog left the ...
A new presulfidation process of hydrotreating catalyst in the hydrogenation is introduced.介绍了一种加氢催化剂器内预硫化新工艺.Determination method of Pd content in hydrotreating catalyst by ICP - AES was established.建立了采用电感耦合等离子体发射光谱(ICP...
Weathering prepares the rock for transport by decomposing and disintegrating it.风化作用通过分解和崩解准备了要搬运的岩石.As a poetic version of a disintegrating world, this one pleased him.作为世界崩溃论在文学上的表现, 他非常喜欢这个学说.It'seemed to him tha...