This simulates the fractionation of components across a semi - permeable membrane.该 功能模拟 混合物流过半渗透膜后的分离情况.Viral bovine rhinotracheitis simulates and may be combined with shipping fever.牛病毒性鼻气管炎和运输热相似,并可能和运输热同时发生.Lastly, t...
She travelled 14,000 miles by sledge across Siberia to Kamchatka.她乘雪橇穿越西伯利亚到达了堪察加半岛，行程共1.4万英里。Do relatives of yours still live in Siberia?你的亲属仍然住在西伯利亚吗？Large dams have harmed Siberia's delicate ecological balance.大型...
To get our Colombian visas we bussed back to Medellin.为了拿到前往哥伦比亚的签证，我们乘大巴返回麦德林。They thought that their relatives would be able to fix the visas.他们以为他们的亲戚们会把签证办好。Up to forty per cent of the students had overstayed their v...