fell by

fell by 基本解释

下降（接百分比,fell是fall的过去式）

fell by 用法和例句

1、Its oxygen consumption rate fell by tenfold.

它的耗氧率 下降了10倍。

2、The apple fell by chance on his head.

那个苹果意外地落到他的头上。

3、A good fortune fell by chance on me last night.

我昨晚意外地交上了好运。

4、Bikes fell by andrelegated to recreational use.

自行车则被丢在角落, 只作为休闲消遣之用。

5、Among life insurance premium income fell by nearly 10 million.

其中寿险保费收入同比下降了将近10亿元。

6、The DowJones average of industrial stocks fell by thirteen points today.

道琼斯工业股的平均指数今天下降了13点。

7、It'said grassland bird populations fell by about forty percent in forty years.

研究说, 在四十年中, 草原鸟类的种类下降了百分之四十。

重点词汇

fell vt. 砍倒，打倒 n. 兽皮；一季的木材采伐量 adj. 残忍的；凶恶的 v. 掉下；摔倒；变坏(fall的过去式)