 |
| Chinese | English |
| 五氯苯酚 | pentachlorophenol One of the universally toxic phenolic compounds, is a general purpose agent that is used as a fungicide, herbicide and molluscicide, particularly in Egypt where it is used to control snails that carry the larval human blood flukes that cause schistosomiasis. It is also used in wood preservatives and is very poisonous (一种普遍的毒性酚类化合物、通常作为一种杀菌剂和除草剂，特别是在埃及，它被用来控制蜗牛携带的血吸虫所造成的血吸虫病传播。它也被用于木材防腐剂，它的毒性很强。) |
| 第五族元素 | element of group Group V consists of two subgroups: group Vb, the main group, and group Va. Group Va consists of vanadium, niobium, and tantalum, which are generally considered with the transition elements. The main group consists of nitrogen, phosphorus, arsenic, antimony, and bismuth (第五族元素，包含两个子族：主族56及5a族。5a族包含钒、铌和钽，通常被归为过渡金属元素。主族5b包含氮、磷、砷、锑和铋。) |