They first used a wooden carving of letters or drawings which could be dipped in ink and stamped on a page - rather like we use a stamp pad.
他们首先用可以上墨的木刻字或木刻图画印于纸上,就像我们现在用的印章。
And that is kind of the least of the shortcuts that we use." He says shortcuts like buying prepared foods for the holiday are part of a bigger trend in America.
VOA: special.2010.11.23
All right. So jumping in to having established that, yes, particles have wave-like behavior, even though no, hey're not actually photons, we can't use that equation.
好的,我们已经承认了,粒子有波动性,虽然它们不是光子,我们不能用这个方程。
Like we talked about with insulin; make large quantities of this recombinant viral protein, and use that as a vaccine.
就像我们讲过的胰岛素,生成大量重组的病毒蛋白,并将其作为疫苗使用
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