“圣诞节以来物价降了4成，”他悲叹道。"Prices are down 40 per cent since Christmas," he lamented.“圣诞节时乔会来这里吗？”——“我想会的。”"Will Joe be here at Christmas?" — "I expect so."圣诞节一番放纵之后排排毒或许是个不错的主意。It might be an idea to detox after the indulgence...
Optimized synthesis of lipase - catalyzed hexyl ester in supercritical CO 2.以反应区面法研究脂解酵素催化酚酸酯类合成之最优化.Objective To study the catalytic activity of potassium bisulfate in synthesizing hexyl hexanoate.目的研究硫酸氢钾在合成己酸己酯工艺中的催化性...