Dictionary entry
50
noun
fifty
the cardinal number that is the product of ten and five
- 1.
n the cardinal number that is the product of ten and five；s being ten more than forty
fifty
In use
She celebrated her 50th birthday with a big party, marking the milestone of turning 50.
The speed limit on this highway is 50 miles per hour, so you should not exceed 50.
He scored a perfect 50 on the test, which was the highest possible score.
50 + [plural noun]
“50”后接可数名词复数，表示数量。
50 books
50本书
be 50 years old
表年龄时用“be 50 years old”。
She is 50 years old.
她50岁了。
50 percent of + [noun/pronoun]
表百分比时，后接of短语。
50 percent of students passed the exam.
50%的学生通过了考试。
number 50
用于编号，如页码、房间号等。
Turn to page 50.
翻到第50页。
Connections
Dictionary facts from ECDICT, WORDNET.