The preparation of sulfate heptahydrate and copper sulfate pentahydrate from calcined zincblende was investigated.用经高温煅烧后的闪锌矿石与稀硫酸反应制备七水硫酸锌和五水硫酸铜.Modified polymerized sulphate flocculating agent was made with ferrous sul...
养育孩子的现实经常与浪漫的理想大相径庭。The reality of mothering is frequently very different from the romantic ideal.如果你孩子的体温上升，就用海绵蘸上温水轻轻地擦拭她的身体。If your child's temperature rises, sponge her down gently with tepid water.被宠坏的孩子很难得到其他孩...
Like any other type of equipment it requires regular servicing.它和其他类型的设备一样，也需要定期检修。All weaponry demands frequent servicing.所有武器都需要经常检修.The machine is only servicing facilities.这部机器只是辅助设备....
'We don't want to name the man to spare his blushes,' said a police spokesman.“为了不让当事人颜面扫地，我们就不指名道姓了，”一位警方发言人说道。She often blushes when speaking to strangers.她跟生人说话爱红脸.Her blushes were saved by a prompt fro...