在一个前瞻性研究，医源性用药失误之间儿科登记入学。
In a prospective study, iatrogenic medication errors were registered among paediatric admissions.
2003年3月开始，有四百万孩子登记入学，可能是有史以来的最高人数。
Up to four million Afghan children, possibly the largest number ever, are believed to have enrolled for class for the school year which began in March of 2003.
对于那些痴心不改的业余爱好者来说，珊瑚礁可以算得上是一个最新出现的挑战。这些人登记入学，就是为了学会怎样把浩瀚的大洋微缩到100加仑。
Coral reefs are the latest challenge for obsessive hobbyists, who sign up to learn how to reduce oceanic monuments to 100 gallons.
对于那些痴心不改的业余爱好者来说，珊瑚礁可以算得上是一个最新出现的挑战。这些人登记入学，就是为了学会怎样把浩瀚的大洋微缩到100加仑。
Coral reefs are the latest challenge for obsessive hobbyists, who sign up to learn how to reduce oceanic monuments to 100 gallons.
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