The Hoover Dam workers make something else boom as well.

胡佛大坝建筑工人还带动了周围地区的发展。

The informal sector-street vendors, local businesses and tradespeople-is booming as well, particularly in Lagos.

民营行业——街头小贩、当地企业和商人——也在蓬勃发展，尤其是在拉各斯。

But even with these hazards, the popularity of artificial silk kept booming, well into the 1900s.

但即使存在这些危害，人造丝的流行一直持续到 1900 年代。

They made Sixty Mile, which is a fifty-mile run, on the first day; and the second day saw them booming up the Yukon well on their way to Pelly.

头一天他们就跑了五十英里, 到达六十哩河;第二天他们沿着育空河奔驰, 上了通往贝利的雪道。