汤姆的功课是中上。

average n.

平均数

The average of 4, 8, and 60 is 24.

4、8和60的平均数是24。

平均；平均水平

What is the average rainfall for August in your country?

你们国家八月份的平均降雨量是多少?

His results is the average.

他的成绩平平。

词性变化vt.

-raged, -raging

平均为

Months of high and low sales average out over the year.

销售额高低不同的月份按全年统算达到一般水平。

达到平均水平

求...的平均数

习惯用语

law of averages 平均律

on (an) average 通常；按平均

习惯用语

average out (at) 平均为

4) The giant player was an immediate success.

抽象名词具体化: 表"一种,一类, 一份,一场,一阵,一件,一个",前面往往有adj.修饰

a great success, a big failure (指成功或失败的人和事), a great/pleasant surprise

a great disappointment, a great help 好帮手, a green tea, a heavy rain, a strong wind

a coffee ,a big/delicious supper, a good memory, a good knowledge of English

immediate adj.

立即的；即刻的

take immediate action