单词：riddler
[化] 振动筛
n. One who riddles (grain, sand, etc.).
n. One who speaks in, or propounds, riddles.
n. One who speaks in, or propounds, riddles.
词型变化：名词复数形式 : riddlers
单词：riddler 相关文章
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Its like the molecular version of the Joker and the Riddler teaming up against Batman. Scientists at Yale University have discovered that amyloid beta, a
发表于:2019-01-08 / 阅读(281) / 评论(0)
Scientific American(三)月
Scientific American(三)月
By Jessica Berman Washington 14 May 2008 Researchers have determined that commonly prescribed triple-drug combination therapies that use old antiviral drugs are the most effective for suppressing the deadly virus that causes AIDS. The findings have m
发表于:2019-01-09 / 阅读(268) / 评论(0)
VOA标准英语2008年（五月）
VOA标准英语2008年（五月）