Thiothrix
[医] 丝硫细菌属
🗣️ 情景例句
What do you do, if I may ask?
你不介意的话，能告诉我你是做什么工作的吗？
The day is long to him who knows not how to use it.
百无聊赖。
One third of this area is covered with forest.
这一地区三分之一的地方都是森林。