In Colombia, cases of acute bacterial meningitis fell by 40% in a year.

在哥伦比亚，急性细菌性脑膜炎病例在一年之内减少了40%。

youdao

In Colombia, cases of acute bacterial meningitis fell by 40% in a year.

在哥伦比亚，急性细菌性脑膜炎病例在一年之内减少了40%。

youdao