The second period began with better furnace and better fuel.

第二时期是以使用较好的炉子和燃料开始的。

youdao

The second period begins with better furnace and better fuel.

第二时期是以使用较好的炉子和燃料开始的。

youdao

In the second period of iron - making history, more iron was made however, the amount was still very small as compared with today.

在炼铁史上的第二个阶段，尽管已有更多的铁被炼出来，但与今天相比，这个数量还是很少的。

youdao

"What is currently being discussed is that you would have a second commitment period of the Kyoto Protocol, which doesn't currently include the United States, and then you would have a separate agreement which would bind the U.S.

VOA: standard.2009.11.06

But in all likelihood Hebrews of an older time, the patriarchal period, the second millennium BCE--they probably weren't markedly different from many of their polytheistic neighbors. Archaeology would suggest that.

但很有可能更早的，西元前2000年族长统治时期的希伯来人，他们可能和其他信仰多神论的异邦人,没有什么太大的不同，这一点考古学会帮我们证明。

耶鲁公开课 - 旧约导论课程节选

One is there's no lag period, notice that antibody levels start rising right away after the second exposure.

第一是没有迟滞期,请注意,抗体浓度迅速上升,在第二次接触抗原时

耶鲁公开课 - 生物医学工程探索课程节选

New York D Anton Stralman was injured in the second period and didn't return.

NPR: Paille's Goal Puts Bruins On Verge Of East Finals

Islanders D Andrew MacDonald sustained an upper body injury in the second period and didn't return.

WSJ: Streit's 2 goals lift Isles into 2-2 series tie

The second period was equally fast and furious, but the chances could not be taken.

BBC: Blackburn Hawks suffer Lions loss