钫的半衰期是22分钟.The half - life of francium is 22 minutes.钫是碱金属中密度最大的,具有放射性.Francium is the densest of the Alkali Metals and also radioactive.ㄗ欧竦托庞闷兰洞 钫叩氖谐.What will happen when monetarypolicy is tighter , with interest r...
我们有过一段长久、愉快、双方都获益良多的关系。We had a long, happy, fruitful relationship.口吃的孩子可以从言语矫治中获益。A stammering child can benefit from speech therapy.获益良多的经历a most instructive experience...
Gates responds with a lengthy discourse on deployment strategy.盖茨以一篇有关部署策略的鸿篇大论予以回应。Other forms of discourse have successfully been decoupled from politics.其他的话语形式已经成功地与政治分离开来。a discourse on issues of gender and sexualit...