paral英'pərəl美'pərəlCOCA³¹⁵¹¹¹⁺⁴ 基本例句 =paraldehyde 三聚乙醛 Rob Paral, a researcher, has used census returns to estimate the numbers of illegal immigrants who were living in various congressional districts in 2005. 研究人员罗伯．帕罗尔曾依据人口统计表估计了2005年居住在各选举区的非法移民的数量。 ecocn