"Third floor" in Engpsh is typically pronounced as /θərd floʊr/.
This pronunciation comes from the Engpsh language and is based on the way the letters in the word are pronounced in Engpsh.
Example sentences in Engpsh with Chinese translations:
"The elevator goes to the third floor." ("电梯可以到三楼。")
"I work on the third floor of the building." ("我在这栋建筑物的三楼工作。")
"Please take the stairs to the third floor." ("请爬楼梯到三楼。")