NEWS: Laser Beams Close in on Fusion energy.

新闻：激光束聚焦在聚变能上。

The walls won't close in on us, will they?

墙不会把我们挤在一起吧，会吗？

Let us close in on nature and come to grips with her.

让我们接近大自然并努力对付大自然吧！

Before the boys can flee, the police close in on them.

警察包围了他们，两个男孩无处可逃。

By 2050, the figure is likely to close in on a third, at 32.5%.

到2050年，这个数字接近三分之一，为32.5%。