一到二十的英文数字分别是：

1 - one
2 - two
3 - three
4 - four
5 - five
6 - six
7 - seven
8 - eight
9 - nine
10 - ten
11 - eleven
12 - twelve
13 - thirteen
14 - fourteen
15 - fifteen
16 - sixteen
17 - seventeen
18 - eighteen
19 - nineteen
20 - twenty

这些英文数字的来源是古代拉丁语。

例句：

"I have ten fingers and two hands." (我有十个手指和两只手。)
"She is sixteen years old." (她十六岁。)
"We need to buy eighteen apples for the party." (我们需要买十八个苹果来参加聚会。)