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

多年来，牛奶销一直在下降。

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

互联网出现让面对面交流逐渐减少。

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

但作为一个物种，帝企鹅仍在减少。

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

但与月球不同是，地球质实际上在减少。

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

据报道，雪豹在减少，原因有几个。

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

随着现在污染等级下降，一些民能够用水冲洗输水管道。

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

利用太阳能、风能等资开发能本也在降低。

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

科学家说，鲸鱼减少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，莫斯科已经减少了 80% 通过北溪—号天然气供应。

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

该报告指出，在疗养院离世人也有所减少。

And the overall numbers of police shootings have been decreasing.

警察枪击案总一直在减少。

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

2020年三岁降幅是有记录以来最大单年降幅。

Flu cases have historically decreased after February.

二月份之后流感病例出现历史性下降。

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

所有技术我们都已经拥有，而且在许多情况下，其本在降低。

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

人们也发现这种激素可以减少压力和焦虑。

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年度减幅。

So it means the changes are decreasing.

这意味着变化在减少。

Equal breath sounds, but respiratory effort decreasing.

双肺均有呼吸音，但是呼吸在减弱。

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，两人冲突也会减少，对婚姻生活满意度自然会提高。

If anything, he said, there is a decrease.

他说，相反，癌症发病率下降了。