Its About That Time 某时某刻
During the day, the sun provided information about the time on a ship, and its direction.
VOA: special.2010.07.14
They also allow their populations of proteins on the surface of each cell that allow it to interact with its environment, they're receptors and cell adhesion receptors like I talked about last time.
它们同时也使得,这些细胞表面的蛋白质群,使得细胞能够和周围环境进行互动,它们是受体和细胞粘附受体,我上次也说过的
About fifty works are shown at any one time in its permanent collection.
VOA: special.2010.04.14
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