?an average of

an average of發(fā)音

英：　　美：

an average of中文意思翻譯

常用釋義：平均數(shù)：表示一組數(shù)據(jù)的平均值。

平均是…

an average of雙語(yǔ)使用場(chǎng)景

1、The price of a PC has fallen by an average of 25% a year since 1982.───自1982年以來(lái)，個(gè)人計(jì)算機(jī)的單價(jià)年均下降25%。

2、An average of ten students are absent each day.───平均每天有十名學(xué)生缺席.

3、It carried an average of 2.3 million passengers per weekday in 1998.───一九九八年內(nèi),地下鐵路平日的平均載客量達(dá)230萬(wàn)人次.

4、Doctors work an average of 90 hours a week, while a few are on call for up to 120 hours.───醫(yī)生們平均每周工作90個(gè)小時(shí)，而有些出診長(zhǎng)達(dá)120個(gè)小時(shí)。

5、Corn was an average of two a bushel last year.───去年谷物平均每蒲式爾兩美元.

6、An average of two students are absent each day.───每天平均有兩個(gè)學(xué)生缺席.

7、In the autumn of 1940 London was blitzed by an average of two hundred aircraft a night.───1940年秋，倫敦平均每晚遭到200架飛機(jī)的空襲。

8、An average of 4 - spinal cord decompression was performed on all 30 patients.───所有30名患者均接受平均4個(gè)節(jié)段的脊髓減壓.

9、The industrial exhibition clocked an average of 5000 visitors a day.───據(jù)統(tǒng)計(jì)工業(yè)展覽會(huì)參觀人數(shù)平均每日五千人.

10、Kelly had scored an average of 147 on three separate IQ tests.───凱利在3項(xiàng)不同的智商測(cè)試中平均得分147。

11、They went to the theatre on an average of 10.3 times a year.───他們平均每年去劇院十點(diǎn)三次.

12、It takes an average of ten weeks for a house sale to be completed.───平均需要10周的時(shí)間才能完成一幢房子的銷售。

13、This area is hit by an average of about 5 hailstorms a year.───這個(gè)地區(qū)平均每年遭受大約五次冰雹襲擊.

14、An average of one new star is born in our galaxy each year.───平均每年在我們的星系中誕生一顆新的恒星.

15、The boats remain at sea for an average of ten days at a time.───這些船只每次在海上平均航行10天。

16、An average of 1500 persons pass here every day.───每天平均有1500個(gè)人經(jīng)過(guò)此地.

17、Doctors work an average of 90 hours a week, while a few are on call for up to 120 hours.───醫(yī)生每星期平均工作90個(gè)小時(shí),有幾個(gè)24小時(shí)候命,達(dá)到了每周120個(gè)小時(shí).

18、The boats remain at sea for an average of ten days at a time.───這些船平均每次在海上呆10天。

an average of相似詞語(yǔ)短語(yǔ)

1、average Joe───普通人；平常人

2、ban the sale of───禁止出售

3、in virtue of───由于；憑借

4、average out───最終得到平衡；達(dá)到平均數(shù)

5、unaverage───adj.出眾的；杰出的，不尋常的

6、to average out───平均

7、on average───平均；普通，通常

8、in charge of───負(fù)責(zé)；主管

9、to average───平均

an average of 40000 per year 什么意思

年均40000

是不是這道題

last year the number of students who graduated with a driving licence reached 200000,an ____of 4000

...an (increase) of 4000.

去年畢業(yè)時(shí)已獲得駕照的學(xué)生達(dá)到了20萬(wàn)人，增長(zhǎng)了4000人。