自1951年以來(lái)，已有18,000人撤離了該地區(qū)。Since 1951, 18,000 people have been evacuated from the area.珀西對(duì)蘭花的癡迷可以回溯到1951年。Percy's enchant-ment with orchids dates back to 1951.AC公司于1951年上市，當(dāng)時(shí)平均年利潤(rùn)為5萬(wàn)多英鎊。In 1951 AC went public, having ...