对于那些了解历史的人来说，这是一种似曾相识的情形——确实历历在目。
For those who know their history, it's deja vu all over again - literally.
另一种是把软木粉用200目或更细的筛网进行筛选。
The other method is to pass the powder through 200 or fine mesh screen.
另一种是把软木粉用200目或更细的筛网进行筛选。
The other method is to pass the powder through 200 or fine mesh screen .
河狸是一种大啮齿目动物，以它们的技巧和精力而闻名。
Beavers are a large rodent noted for their skill and energy.
这是一种兽脚亚目肉食恐龙。
从事实上说，教育是一种道德实践。故而得出“德育即教育的道德目?。
To set educational moral standards is the principal task of education.
从事实上说，教育是一种道德实践。故而得出“德育即教育的道德目?。
To set educational moral standards is the principal task of education.
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