英语语法分析

Lymphatic filariasis isn't limited to Guyana.

淋巴丝虫病并不仅仅只限于圭亚那。

"Filariasis not only disfigures, it also disables."

丝虫病并不仅仅只意味着丑陋，它还意味着残疾。

Filariasis is difficult to treat, but easy to prevent.

丝虫病很难医治，但是很容易预防。