And the historian theorized that people in the Western world who have trouble sleeping through the night now may be experiencing a sort of echo, a hearkening back to how their European ancestors slept in two phases.

这位历史学家认，难以入眠的西方国家的人们可能正经历一种历史重，采取了他们的欧洲祖先分两个阶段睡眠的方式。

The project was planned in two phases and originally costed at 30bn pounds in 2010.

项目分两个阶段规划，2010年的最初估价300亿英镑。

Chilling them to absolute zero requires two phases of cooling.

要将它们冷却至绝对零度，需要经过两个阶段。

I got the two phases mixed up.

我把两个阶段弄混了。

Leptospira causes a zoonotic infection called leptospirosis, which has two phases.

钩端螺旋体会导致一种名钩端螺旋体病的人畜共通传染病，其有两个阶段。

It is being built in two phases and aims to produce 100-thousand cars per year.

汽车制厂的建设分两个阶段，目标就年产10万台车。

The 10 billion U.S. dollar project will be built in two phases.

这项耗资100亿美元的工程将分两个阶段建设。

These two phases are separated by ovulation, which is when the follicle ruptures and releases an oocyte that is ready to be fertilized.

这两个阶段被排卵分开，排卵即：卵母细胞被卵泡排出，准备好受精。

Two Phase I clinical trials testing the safety of the drug were completed in 2018, and when we filmed this video in 2020, a Phase 2 trial to further examine safety and efficacy was underway.

两个测试药物安全性的第一阶段临床试验于 2018 年完成，我们 2020 年拍摄这段视频时，一个进一步检查安全性和有效性的第二阶段试验正进行中。

At around 8: 30 p.m. on Sunday, authorities had announced the city would be locked down in two phases to test around 25 million people who live in Shanghai.

周日晚上 8: 30 左右，（上海）政府宣将分两个阶段封锁，以检测大约 2500 万居住上海的人。

You can break down urban delivery into two phases.

你可以把城运输分两个阶段。

But it is very common for young boys to go through these two phases.

但是小男孩经历这两个阶段是很常见的。

It's just that it's kind of broken up into two phases.

这只是因它被分成了两个阶段。

So in VT-9 where I was a student, there's two phases.

因此VT-9，作学生的我，经历分两个阶段。

The life force has two phases to it.

生命力有两个阶段。

It's a process that's being done in two phases, starting with the perimeter first to  keep the water out and the land in, along with an access road and a facility  where the soil will be weighed and checked.

这是一个分两个阶段完成的过程，从周边开始，首先将水拒之门外，将土地拒之门外，还有一条通路和一个将对土壤进行称重和检查的设施。

But even for folks, let's say you're in baby step three and you're doing, you know, you're past that baby step two phase, but you're still like, man, this inflation and you're going to restaurants every now and then.

但即使是那些已经进入婴儿步骤三的人，你们已经过了婴儿步骤二的阶段，但你仍然会想， 天啊，这通货膨胀真让人头疼， 而且你们还是会时不时地去餐馆吃饭。

So try different things, figure out which one is best, drill down on that until you hit a wall and then go back to exploring again and bounce between those two phases and you will effectively get unstuck.

所以尝试不同的事情， 找出哪个最好，专注于那个直到遇到瓶颈， 然后再回去继续探索， 这两个阶段之间切换， 你就能够有效摆脱困境。

Two phase III clinical trials have offered conflicting results, and an independent advisory panel convened by the US Food and Drug Administration to assess the drug's effectiveness says that the data do not support its use.

两项三期临床试验给出了矛盾的结果，而美国食品药品监督管理局召集的一个独立顾问小组评估药物的效果时表示， 有数据并不支持其使用。

In some cases this tells you things that you probably already knew, like if the two phases happen to be the same, then you get constructive interference and you have a bigger wave that results.

某些情况下， 这会告诉你一些你可能已经知道的事情，比如如果两个相位恰好相同，那么你会得到建设性干涉， 从而产生一个更大的波。