retain

He struggled to retain control of the situation.

他曾努力保持对局势的控制。

Yet once they start growing, such plants seem not to retain the ability to hit the pause button on metabolism in their stems or leaves.

然而，一旦它们开始生长，这些植物似乎就无法保持阻止其茎或叶的新陈代谢的能力。

This information is no longer retained within the computer's main memory.

这样的数据不再保留在计算机的主存储器中。

But inside, special windows cut power bills by blocking solar heat in summer and retaining indoor warmth in winter.

但是在室内，特殊的窗户通过在夏天阻挡太阳的热量和在冬天保持室内的温暖来减少电费。

She has a good memory and finds it easy to retain facts.

她记忆力好，很容易记住事情。

Numerous studies have now found that when classroom material is made harder to absorb, pupils retain more of it over the long term, and understand it on a deeper level.

如今有大量研究发现，当课堂材料变得更加难以消化时，长期来看学生们会记住更多的材料，对其理解也更加深入。

He has retained the services of the lawyer.

他已经付定金聘定了这位律师。