Rabbits proliferate when they have plenty of food.
兔子有充足

就会繁衍得很快。
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Yet the pessimism of the 1950s has proved overblown as well: nuclear weapons have proliferated much more slowly than many feared at the dawn of the atomic age, and stockpiles have dwindled since the height of the cold war.
然而,20世纪50年代也对
武器的悲观情绪进行了过度渲染,事实
:
武器扩散速度比在人们担心的原子能初期放慢了许多,
物质储备也自冷战高潮以来减少。
)
)
) Mr. Kerry declared that " the global community will not be intimidated and will not pull back from our obligations under the nonproliferation treaty and all of our international efforts to rein in nuclear weapons rather than see them proliferate."
约翰称" 国际社会不会屈服,不会违背《防止
扩散条约》,也不会放任国际社会对
武器扩散不管不顾" 。
When activated, the stellate cells lose vitamin A, proliferate, and start secreting secreting transforming growth factor beta1, or TGF-beta, which then causes them to produce collagen, which is the main ingredient in extracellular matrix, fibrosis, and scar tissue.
激活后的星形细胞失去维生素A,并且开始大量增生,分泌转化生长因子ß,即TGF-ß,随之导致其生成胶原;胶原是细胞外基质、纤维化和疤痕组织的重要成分。