New COVID cases in the United States have been on the decline.

美国新冠肺炎病例数呈下降趋势。

The number of people in Japan who smoke is on the decline.

日本吸烟人数正在下降。

But with bee populations on the decline what could possibly take their place?

但随着蜜蜂数量的减少，尤甚可以取代它们的位置呢？

But researchers warn that hippo populations are on the decline and that could damage ecosystems.

但研究者警告称河马的数量正在下降，这将有损生态系统。

But with bee populations on the decline, what can take their place? How about soap bubbles?

但随着蜜蜂数量的下降，什么能取代它们的位置呢？肥皂泡怎么样？

But with the rise of new technologies, including computers that talk, literacy rates are on the decline.

但随着包括会说话的电脑在内的新技术的兴起，识字率正在下降。

He told us of his organization's relief when Germany finally announced a study on the declining bee population.

他告诉我们，当德国最终宣布一项关于蜜蜂数量下降的研究时，他的组织松了一口气。

Coastal mangrove forests and seagrass meadows that guard shores from flooding and storms have been on the decline for decades.

保卫着海滨免受洪涝和风暴侵袭的沿海红树林和海洋草坪，它们的数量在近几十年里持续下降。

Yet ever since then, LIBOR has been on the decline.

然而从那以后，LIBOR 一直在下降。

Birth rates are on the decline.

出生率正在下降。

But with bee populations on the decline, what can take their place?

但是随着蜜蜂数量的减少，有什么可以取而代之呢？

B) It has been on the decline ever since the turn of the century.

B) 自世纪之交以来，它一直在下降。

But the divorce rate in the US has been on the decline since the 1990s.

但自 1990 年代以来，美国的离婚率一直在下降。

But these wild squash have been on the decline since the end of the Pleistocene.

但这些野生南瓜自更新世末期以来一直在减少。

While coronavirus related deaths and hospitalizations are on the decline, new infections in the United States are plateauing at high levels.

虽然因冠状病毒死亡的人数和住院人数在下降，但美国的新感染人数正稳定在高水平。

The area's city councilwoman was leading a discussion about how the quality of life was on the decline.

该地区的市议员正在主持一场关于生活质量如何下降的讨论。

Unfortunately, activities involving direct contact with people, which contributed to better wellbeing were found to be on the decline.

3. 不幸的是，与人直接接触、有助于提高幸福感的活动正在减少。

So while middle initials may be on the decline for John Q. Public (myself included) they still serve a function in certain fields.

因此，尽管对于 John Q. Public (包括我自己)来说，中间首字母名可能正在减少，但它们在某些领域仍有作用。

The number of people who don't observe traffic rules has been on the decline since the new regulations came into effect.

自新规定实施以来，不遵守交通规则的人数一直在下降。

The National Association of French Millers says bread consumption is on the decline with French people eating nine grams less than in the previous year.

法国全国面粉行业协会表示，面包消费量正在下降，相较于上一年，法国人均面包消耗量减少了 9 克。