not occur once in ten years be seldom seen be very rare hard to meet in many years
not occur once in ten years
be seldom seen
be very rare
hard to meet in many years
十年九旱用英文怎么说
十年九荒用英文怎么说
十年内战用英文怎么说
十年前用英文怎么说
十年动乱用英文怎么说
英语词典收录了最新的汉英词典和英汉词典，总共有200多万个词条，词库仍在不断更新中。
