Meningococcal
脑膜炎球菌的
🗣️ 情景例句
We are in the red.
我们有亏损。
We can offer door-to-door delivery services.
我们可提供送货上门服务。
The ground supported fewer plants, and the insects which lived on these plants died out.
地上长的植物少了，生活在这些植物上的昆虫就消亡了。