You will need to have a routine biannual examination.
你得接受一年两次的例行检查。
Only since 1962 has the show been held biannually.
这个展会自1962年才开始一年举办两届。
英汉双解词典包含141091条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。