This slowdown, first identified in 1961 by biologists Leonard Hayflick and Paul Moorhead, is a normal part of cellular life cycles.
生物学家Leonard Hayflick和PaulMoorhead于1961年发现这个细胞老化减缓的现象，他们认为这是正常细胞生长周期中的一个普通环节。
Moorhead lies on the other side of the Red River from Fargo, North Dakota, where river levels have reached record heights and is still rising.
目前红河的水位已经达到历史最高，但仍旧在持续上升中。
Early this year, we singed an agreement of cooperation with the Global Language Villages, Concordia College, Moorhead, Minnesota, the United States of America.
今年年初，我们达成了与美国明尼苏达州，毛海德市康考杰大学国际语言村的合作协议。
Early this year, we singed an agreement of cooperation with the Global Language Villages, Concordia College, Moorhead, Minnesota, the United States of America.
今年年初，我们达成了与美国明尼苏达州，毛海德市康考杰大学国际语言村的合作协议。
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