Recently, the UK National Stem Cell Network warned the UK could lose its place among the world leaders in stem cell research unless adequate funding and legislation could be assured.
出自-2011年12月阅读原文
After outlining the main points she would cover, she assured the audience that she would be happy to answer questions at the end of her presentation.
出自-2012年12月听力原文
柯林斯高阶英汉双解学习词典释义
ADJ-GRADED
自信的;放松的;有把握的
Someone who is assured is very confident and relaxed.