The polluted air becomes poisonous to health, so it is the high time that we took actions to protect the environment.

被污染的空气有害健康，所以我们是时候采取行动保护环境了。

youdao

She is human, and it is high time for her to learn something.

她是人，是时候让她学点东西了。

youdao

Global warming could bring disastrous effects to Earth, so it is high time for us to protect our earth.

全球变暖可能给地球带来灾难性的影响，我们是时候应该保护地球了。

youdao

He said it was wrong to raise the tax so high and, at the same time, continue to give the states the money from land sales.

VOA: special.2009.02.05

It began to infiltrate other disciplines and was in general a high-spirited horse for that certain period of time.

它逐渐渗入到其它学科,总之是那个时代的一匹黑马。

耶鲁公开课 - 文学理论导论课程节选

So, basically any time we have a really high positive number of electron affinity, it means that that atom or ion really wants to gain another electron, and it will be very stable and happy if it does so.

因此，基本上无论什么时候,只要我们有一个很大的正的电子亲和能，这就意味着这个原子,或离子非常希望得到一个电子，如果它得到了，会变得更稳定更开心。

麻省理工公开课 - 化学原理课程节选

Is it time to sell high?

FORBES: Our Strategic Petroleum Opportunity

In the case quoted above, the CIO believed that his IT department had been on a storage buying binge and it was high time to in fact use more of the raw disk capacity on the machine room floor that was already powered-up and spinning.

FORBES: No new storage in 2013

They thought Leighton Andrews' decision not to scrap GCSEs, but instead to tighten them, not to scrap a modular way of teaching but accept it's high time to put a new emphasis on standards, on numeracy and literacy was probably the right thing to have done.

BBC: Welcoming back 'the repentant sinner'