问题描述:
请问下面的英文句子有语法错误吗?如果有帮忙改正下,
Xanthan gum (XG),discovered by the Northern Regional Research Laboratories (NRRL) of the United States Department of Agriculture,is a complex non-linear anionic microbial exo-polysaccharide.
Xanthan gum (XG),discovered by the Northern Regional Research Laboratories (NRRL) of the United States Department of Agriculture,is a complex non-linear anionic microbial exo-polysaccharide.
问题解答:
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