However, a typical protein is remarkably long—hundreds of amino-acid residues—and several distinguished scientists were unsure whether such long, linear macromolecules could be stable in solution.
然而，一个典型的蛋白质是非常长—数百个氨基酸基团—几位著名的科学家不能确定这样的长的线性大分子是否能稳定的存在于溶液中。