This broad definition, of course, would include a move across the street or across a city.
这个广义的定义,当然会包括穿过街道或穿过城市。
A major reason is that the dunes bury any plants in their way as they move across the desert.
VOA: special.2010.01.04
Now, sodium and potassium don't ordinarily move across membranes, they're charged molecules, they can't dissolve, they can't permeate through a cell membrane, but they go through because there are channels that allow them to pass through in the membrane.
钠和钾通常是不能跨过细胞膜的,它们都是带电粒子,它们不能溶解在细胞膜中,不能渗透通过细胞膜,但它们之所以能通过细胞膜,全赖膜上离子通道的作用
If you've got... if you're looking at some good teams and they can really move across the court.
如果你……如果你看某些好的球队,他们真的会在场上穿行的。
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