血吸虫病蔓延在拉丁美洲、非洲和亚洲的许多地区。

Shistosomiasis is a major disease in many parts of Latin America, Africa, and Asia.

youdao

血吸虫病蔓延在拉丁美洲、非洲和亚洲的许多地区。

Shistosomiasis is a major disease in many parts of Latin America, Africa, and Asia.

youdao