He repeated the word " building" four times.

他把“建筑”这个词重复了四次。

In other words, building resilient infrastructure means we don't have to choose between feeling safe and enjoying our cities.

换句话说，建设有弹性的基础设施意味着我们不必在感到安全与享受我们的城市之间做出选择。

In fact, the word " building" has " build" right in it.

事实上，“building”这个词就含有“build”这个词。

In other words, building the fence took me most of the summer.

换句话说，建造栅栏花了我整个夏天的大部分时间。

Notice the word " building" can be a verb (" to build" ) and a noun (" building" ).

请注意，“building”一词可以是动词（“to build”）和名词（“building”）。

Now, just as the word " building" fails to capture the incredible variety of structures that make up any large city, the generic term " protein" gives no clue as to the incredible variety of molecular architectures at the molecular level.

现在，正如“建筑”这个词未能捕捉到构成任何大城市的令人难以置信的各种结构一样，通用术语“蛋白质”也没有提供有关分子水平上令人难以置信的各种分子结构的线索。