Ectosymbiont
[生态]外共生体
🗣️ 情景例句
Can I invite Alexandra to stay for dinner?
我可以请Alexandra留下来吃晚餐吗？
Laugh at your ills, And save doctors' bills.
生病不忧虑，节省医药费。
We regard them as unnecessary creatures that do more harm than good.
我们把昆虫当作害多益少的无用东西。