下跌的英文：
fall
tumble

参考例句：

We are expecting a fall in stock prices.
我们预料股市价格将要下跌。

Deregulation of US airlines results in fierce competition and price - cut .
撤销对美国航班的管制规定导致了激烈的竞争和价格下跌。

The Hang Seng Index shed309 points,or2.74 per cent,with property and banking stocks bearing the brunt.
恒生指数下跌309点或百分之2.74，地产股和银行股首当其冲。

Yen dropped off.
日元下跌。

Prices fell on the stock market.
股市行情下跌。

The entire stock market tanked on Friday.
整个股市在周五下跌。

Stocks of the company are falling.
该公司的股票正在下跌。

a precipitous drop in commodity prices.
商品价格急剧下跌。

Meat prices are dipping.
肉类价格在下跌。

The stock market crash on Black Friday.
黑色星期五股市下跌。

fall是什么意思：
v. 落下；倒塌；摔倒；下降；减弱；阵亡
n. 摔倒；下降；秋天；垮台；陷落；瀑布
adj. 秋天的

Sleet is falling.
天上下起了冰雹。

fall into disfavour
失宠失众望

We observed the barometer fall. [The barometer was observed to fall.]
我们看见晴雨表下降。

All the expenses fall on me.
全部费用由我支付。

There was a light rain falling.
外面下着小雨。

tumble是什么意思：
n. 跌倒，摔跤，翻筋斗
v. 翻倒，摔倒；翻筋斗；仓促地行动；使摔倒；暴跌

Toddlers keep tumbling over.
学步的儿童老是摔跤。

He tumbled into the meeting room.
他莽莽撞撞地走进了会议室。

The breakers came tumbling onto the shore.
浪涛滚滚而来拍打著岸边。

The incidence of tumble in day was the same as that in night.
跌倒不仅发生在活动频繁的日间,夜间跌倒例数几乎与日间相同。

The water frothed as it tumbled down the rocks.
水冲击在岩石上溅起了泡沫。