加载中...
Podcast:Scientists Show Baby Mammoth Preserved for 50,000 Years in Siberia - ID: 10
Podcast:Scientists Show Baby Mammoth Preserved for 50,000 Years in Siberia
默写：
重置
总分100分,共填空，每个分
进度：1 / 14
Researchers
in
Russia's
Siberia
area
are
showing
the
public
what
they
say
are
the
50,000-year-old
remains
of
a
baby
mammoth
.
space
下一个单词
enter
单词发音
Command/ctrl + enter
整句发音
Command/ctrl + ↑
隐藏/查看全部答案
Command/ctrl + ↓
隐藏/查看单词答案
Command/ctrl + →
校验/下一题
Command/ctrl + ←
上一题
00:00/00:00
