It's very clear that the Islamic State has started taking root in Pakistan.

很明显，ISIS已经开始在巴基斯坦扎根了。

For example, for a long time, there was no such thing as taking the square root of negative numbers.

例如，长期以来，负数是不能取平方根的。

You're taking the square root of both sides.

你正在取两边的平方根。

We're taking the square root of the whole thing.

我们正在对整个事情求平方根。

And then we just need to close the parentheses, this original parentheses, because we're taking the square root of everything.

然后我们只需要关闭括号，这个原来的括号，因为我们要对所有的东西求平方根。

He told VOA that the future base, raises some concerns about foreign powers taking roots in the Sahel to pursue national interests that are not always clear...

他在接受美国之声采访时表示，未来的这个基地愈发让人担心一个问题：外国列强在荒漠地区扎根，追求各自并不总是明确的国家利益。

He wants to stop false ideas from taking root in his mind and multiplying into more false ideas, because he understands the danger of falling down that rabbit hole.

他想要阻止错误的想法在他的头脑中生根发芽，滋生出更多的错误想法，因为他知道掉进那个兔子洞的危险。

Effective food policies have a better chance of taking root in countries with long-established cultures of cooking, where it is normal for families to gather around a table every day.

有效的食品政策在具有悠久的烹饪文化的国家更容易扎根，在那里，家人每天围在桌子上吃饭是正常的。