fifth

num. 第五、五分之一

學術名詞

• 五度：音樂
• 第五航權：航空太空
• 營運權：航空太空
• 第五語言：資訊
• Fifth 語言：資訊

英文釋義

1. a quantity of liquor equal to one fifth of a United States gallon
2. position five in a countable series of things
3. one part in five equal parts
4. the musical interval between one note and another five notes away from it