英语语法分析

Even rubber trees, the local people's main source of income, were so dry that they could no longer produce rubber latex.

就连作为当地人主要收入来源的橡胶树，也因干旱而无法生产乳胶。

Two cerebrospinal fluid specimens have tested positive for Neisseria meningitidis serogroup by latex test.

通过乳胶测试，两个脑脊液标本对脑膜炎奈瑟菌血清群呈阳性反应。

Any allergy to latex?

有乳胶过敏的人吗？