詞典釋義：

二十一

twenty-one n.21點

常用

常用

短語搭配

1. 不管三七二十一

fling caution to the winds; regardless of the situation; act regardless of the consequences; act indiscriminately

雙語例句

1. 許多醫生認為這是二十一世紀的一個問題。

Many doctors feel that this is a problem in the twenty-first century.

2. 這些雞蛋二十一天才能孵化。

The eggs take 21 days to hatch.

3. 世界正走向二十一世紀。

The world is making its way into the 21st century.

4. 州長在四月二十一日要到城裡來！

The governor is coming to town on April 21!

5. 頭部是二十一世紀人類的棲居地。

We twentieth century humans live entirely in our heads.

6. 一月二十一日是我們的校慶運動會.

Twenty First of January is the anniversary sports day of our school.

7. 被譽為是二十一世紀的新材料。

So it is called as new material of twenty-one century.

8. 九月二十一日那天，他開始試飛了。

On the twenty-first of September, he tried his wings.

9. 嗨, 我要是二十一歲就好了.

Oh, I wish to goodness I were twenty one.

10. 二十一世紀競爭的第一要素是服務.

Service is the key element of competition in 21 century.

百科

二十一

《二十一》是連載於晉江文學城的衍生類網路小說，作者是辰莫。

二十一

歌曲名稱：二十一 演唱：張藝德