Sales of cow's milk had been decreasing for years.

多年来，牛奶的销量一直下降。

Face-to-face contact is decreasing because of the Internet.

互联网的出现让面对面的交流逐渐少。

But as a species, emperor penguin numbers are still decreasing.

但作为一个物种，帝企鹅的数量仍少。

But unlike the moon, our planet is actually decreasing in mass.

但与月球不同的是，地球的质量实际上少。

Their population is reportedly decreasing though and there are several possible reasons why.

据报道，雪豹的数量少，原因有几个。

Pollution levels are now decreasing allowing some folks to start flushing out their waterlines.

随着现污染等级下降，一些民够用水冲洗输水管道。

The cost of producing energy from sources like the sun and wind is also decreasing.

利用太阳、风等资开的成本也降低。

Scientists say another reason why whale numbers are decreasing is warming oceans and climate change.

科学家说，鲸鱼数量少的另一个原因是海洋变暖和气候变化。

Since June, Moscow has been decreasing gas supply through Nord Stream 1 at 80 percent.

6 月以来，莫斯科已经少了 80% 通过北溪—号的天然气供应。

The report notes that deaths in nursing homes also have decreased.

该报告指出，疗养院离世的人数也有所少。

And the overall numbers of police shootings have been decreasing.

警察枪击案的总数一直少。

The three-year drop measured in 2020 is the largest one-year decrease on record.

2020年的三岁降幅是有记录以来最大的单年降幅。

Flu cases have historically decreased after February.

二月份之后流感病例数出现历史性下降。

All technologies we already have, and in many cases, their costs are decreasing.

所有技术我们都已经拥有，而且许多情况下，其成本降低。

It's been found too that this hormone can decrease stress and anxiety.

人们也现这种激素可以少压力和焦虑。

That would be the biggest yearly decrease in air pollution since World War II.

这将是二战以来空气污染水平最大的年度幅。

So it means the changes are decreasing.

这意味着变化少。

Equal breath sounds, but respiratory effort decreasing.

双肺均有呼吸音，但是呼吸弱。

When husbands do more housework, wives are less depressed, marital conflicts decrease, and satisfaction rises.

丈夫多做家务，妻子就不会那么抑郁，两人的冲突也会少，对婚姻生活的满意度自然会提高。

If anything, he said, there is a decrease.

他说，相反，癌症病率下降了。