average age of 20 years

average age of 20 years After the age of 不好意思！应该是After the age of sixty，the average sleep house are……a night age of 英语翻译a group of 7-year-olds are going to a park with a group of 11-year-olds.if the average age of the two groups together is 9.4 years.how many of each age group are there? 英语翻译by the age of 25 ,although the average salary for those aged 22 to 29 is just &17,815 . 英语翻译First,Young had her staff construct the average age of Northern and Southeast B737-200fleets,by quarter,since the introduction of the aircraft to service by eachairline in late 2001 and early 2002.The average age of each fleet wascalculat an average of 和the average of的区别 the average of和 a average of 有区别吗 grade average of 60%是什么意思 with an average of造句 at the age of at the age of at the age of from the age of .. come of age是什么意思 coming of age是什么意思 years of age是什么意思 coming-of-age