n. the cardinal number that is the sum of eighteen and one
s. being one more than eighteen
num. 十九, 十九个
1. I will turn nineteen next month.
我下个月将满十九岁。
2. There are nineteen students in my class.
我班上有十九个学生。
3. She has nineteen books on her shelf.
她的书架上有十九本书。