Trichodina
车轮虫属
🗣️ 情景例句
We have to maintain communication to understand each other.
必须保持交流以求相互理解。
A sound mind in a sound body.
健康的思想寓于健康的身体。
And if, with the decay of vitality, weariness increases,
再者，随着精力的衰退，老年人的疲惫感会增长，