我们采取的一些行动已经取得进展。
至少在一个方面,世界已经取得进展。
但是他强调伊拉克已经取得进展。
But he pointed to progress in Iraq, noting that his decision to send in extra u.
And scientists have been working on this for years and there's been progress, but it's still a very difficult challenge.
科学家们对此已经研究很久了,并取得了进展,但仍有很大挑战
Things like steel and polymers, or plastics, and ceramics, and of course computers which has progressed remarkably due to the work of engineers in your lifetime, until now you can carry around a cell phone, which would have been unthinkable even 30 years ago.
包括钢铁,聚合物,塑料,陶瓷,当然,计算机这个在你们的有生之年,已经取得令人瞩目的进展的发明,也得归功于工程师的工作,现在你们的手机能随身携带,而这在三十年前是不可想象的
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