1. For example, an excess of certain proteins can cause cells to proliferate abnormally and become cancerous; a lack of the protein insulin results in diabetes. 例如，某些蛋白质的过量会导致细胞异常增殖并癌变；胰岛素蛋白质的缺乏会导致糖尿病。
2. At the other extreme, we might successfully translocate the species, but within five or ten years that species could proliferate and become an invasive species. 在另一个极端，我们可能会地转移这个物种，但是在5至10年内，这个物种可能会激增并成为一个入侵物种。
3. In the corporate environment, it's easy for worksheet files to proliferate rapidly. 在公司环境中，工作表文件很容易迅速扩散。
4. Infectious diseases proliferate. 传染性疾病在不断蔓延。
5. Magazines, books and CD-ROMs proliferate. 杂志、书籍和光盘只读存储器的数量也激增。
