Harry got to his feet, trod on the hem of his robes, and stumbled slightly.

哈利站了起来，踩在长袍的底边上，微微绊了一下。

I like the cut and hemline of these shorts so I think I'll wear these as well.

我喜欢这些短裤的底边。所以我也想这些。

The " hemline" is the bottom where the skirt or where the dress ends.

“底边”是末端的底部。

I say that " I don't know if it's because of the cut, the hemline, or the fit" (fit).

我说“我不知道是因为、底边还是合身”（fit）。

And because the quantum dots only absorb shorter wavelengths, those re-emitted waves travel through the pane without being re-absorbed by other dots.

重新释放的辐射波会避开有吸收到短波辐射的点当它们到达底边时，再透过太阳能板来转换成电能。