大自然肯定是怀着偏爱的心情创造了她.Nature had surely formed her in a partial mood.实际上, 雕塑是他个人偏爱的艺术领域.Sculpture, in fact, was the artistic field of his personal preference.现在我偏爱的风格是很宽松的和覆盖性的.Right now my favorite style is very loose and d...
In particular, the invention is concerned with amido piperazine derivatives.具体地说, 本发明涉及酰氨基哌嗪衍生物.Fmoc, Boc and Pbf were used respectively to protect α - amido, side amido and side guanidine group.对于α-氨基仍采用Fmoc保护策略, 侧链氨基用二...
The gym teachers lined us up against the cement walls.体育老师让我们靠着水泥墙排好。A puppy stepped in the fresh cement.一只小狗踩在刚抹好的水泥面上。The earth-moving trucks and cement mixers lay idle.运土卡车和混凝土搅拌机闲置着。...