a gum used especially as a thickener or emulsifier
双语例句
Although researchers can only speculate that domoic acid caused this historic event, modern toxicologists have conclusively linked the toxin to more recent cases. 尽管研究人员只能推测这起重大的鸟群死亡事件与软骨藻酸有关，现在毒物学家已经把它同后来的更多案例联系到了一起。
