多卤化物的形成取决于中心卤化物离子与卤素的结合.The formation of polyhalides depends on the combination of a central halide ion with a halogen.供应商是否有能力提供不含卤素的产品?Does supplier have the ability to build the Halogen - free product?硫与卤素的几种化合物在工业上有重...
Many operations, however, masquerade as Undo - proof , but they are really easily reversible.然而很多操作伪装成 防 撤销的, 但其实很容易恢复.The problem is whether the chemical reaction is reversible.问题就在于该化学反应是否可逆.Heart disease is reversible...
他拒绝让我使用他的牙刷.He has refused to let me use his toothbrush.我妹妹有两把牙刷.My sister has two toothbrushes.你带牙刷来了 吗 ?Have you brought your toothbrush with you?...