The progress of the other main kind of solar technology, photovoltaic (PV) solar cells, looks stronger.

另一项主流太阳能科技，光伏太阳能发电板进展顺利，前景广阔。

So we have a lot to listen to. PV: And a lot to learn.

WG：所以我们有很多东西要听。 PV：还有很多东西要学。

Researchers have been working on a new vaccine for rotavirus called BRV-PV.

研究人员一直在研究一种名为 BRV-PV 的轮状病毒新疫苗。

We need to raise the bar. PV: Elevate our standards for racial literacy.

WG：我们需要提高标准。 PV：提高我们的种族素养标准。

The researchers say the clinical trial shows that BRV-PV was nearly 67 percent effective.

研究人员表示，临床试验表明 BRV-PV 的有效性接近 67%。

We don't know how to communicate -- PV: Live together -- WG: Love one another.

WG：我们不知道如何沟通 -- PV：一起生活 -- WG：彼此相爱。

There are approximately 323 million people in the United States. PV: And 7.4 billion people on the planet.

美国大约有 3.23 亿人。 PV：地球上有 74 亿人。

Each section of the canopy is covered with customised PV panels that will generate around four megawatts of power.

顶篷的每个部分都覆盖着定制的光伏面板，可产生约 4 兆瓦的电力。

Alice, how big of a deal would it be if Oxford PV went overseas to build this factory and to raise more money?

Alice，如果 Oxford PV 去海外建这个工厂并筹集更多资金，那会有多大的交易？

The Oxford PV said the UK was the least attractive country simply because it lacked the incentives for solar companies to build their factories there.

牛津光伏表示， 英国是最没有吸引力的国家， 因为它缺乏太阳能公司在那里建厂的动力。