Eng

點五零口徑

Fifty calibre

點五零口徑的子彈

Fifty calibre bullet

五十天

Fifty days

五十哩

Fifty miles

這裡東北方五十哩處

Fifty miles northeast of here

五千萬

Fifty million

五十奈米寬

Fifty nanometers wide

百分之五十

Fifty percent

五萬

Fifty thousand