例句: 
Tomorrow I will no longer be in my twenties... I am turning thirty. Can you believe it?
照片權限: 
CC版權:出處標示,商業用途
Regionalism: 
Neutral
Regional variant: 
Neutral
Full Expression: 
The Hard "th" Sound: thirty
法語
Add or change French Photo: 
No
西班牙語
Add or change Spanish Photo: 
No
德語
Add or change German Photo: 
No
葡萄牙語
Add or change Portuguese Photo: 
No

the spelling of the number 30

中文
Add or change Chinese Photo: 
No
意大利語
Add or change Italian Photo: 
No
Alsacien
Add or change Alsatian Photo: 
No