In the late 1850s the speed of technological change quickened.19世纪50年代末期，技术变革的速度加快了。He quickened his step.他加快了步伐。Ainslie's pulse quickened in alarm.由于惊恐，安斯利的脉搏加快了。...
And the areas of application include emulsification, encapsulation, extraction, microreactor, mixing and bioassay.应用范围包括乳化 、 混合 、 包埋 、 萃取 、 微反应器以及生物鉴定等....
They are determining the serum - protein and cholesterol levels.他们正在测定血清蛋白和胆固醇的浓度.The serum is available to the general public.一般公众均可获得血清.The only available hyperimmune serum was of equine origin.唯一可得到的超免疫血清来源于马....