It also said more than one third of all countries at risk of malaria reported a drop in cases of more than fifty percent.
VOA: special.2010.04.20
Similarly we see as we go down the table, so as we're going from one row to the next row, so, for example, between helium and lithium, we see a drop; the same with neon to sodium, we see a drop here.
同样地,我们来看看沿着周期表往下走,当我们从一行到下一行时,比如,从氦到锂,我们看到了一个下落;,从氖到钠也一样,我们看到这里有个下落。
We may drop one of the recitations, just depending on course size, all right?
我们可能会取消一个复习课,取决于课程大小,可以么?
"Drop that glass and take the other one!"
VOA: special.2009.07.04
So that explains why they're so reactive, they're all very willing to give up that one s orbital and then drop to a lower energy level.
这就解释了它们的化学性质为什么非常活泼,它们都很愿意失去那个,s,电子,然后降到更低的能级上去。
"There is already a drop in supply. Because, on the east side of the river, that is one of the most productive estuaries in the world for oysters.
VOA: standard.2010.05.08
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