nineteen 核心词议：
num. 十九
n. 十九个；十九岁；十九号
nineteen 基本解释
num. 十九；十九个；第十九
n. 十九岁；十九点钟
速记方法
速记技巧
词源词根法
nine，九，-teen，十。
知识扩展
习语积累
习语 num. talk, etc. nineteen to the dozen (BrE, informal) 喋喋不休 to talk, etc. without stopping She was chatting away, nineteen to the dozen. 她没完没了地聊着。
nineteen 变化形式
复数： nineteens
中文词源：
nineteen 十九
nine,九，-teen,十。
nineteen
精选例句
1、 Ten plus nine is nineteen.
十加九是十九。
2、 Is nineteen more than eighteen?
十九比十八多吗？
常见考点例句：
- I first heard about him when I was nineteen .
- 这是我十九岁的时候第一次听说的事情。
- She was nineteen years old , and todd was twenty .
- 她十九岁，托德二十岁。
- But by nineteen months , on average , grasping is replaced by pointing .
- 但是平均到了十九个月大，抓住被指认替代了。
- The reaction of nineteen hours a day for many days was strong upon him .
- 那是每天十九小时连续多少日子的劳动对乔所产生的激烈后果。
- Epilogue nineteen years later autumn seemed to arrive suddenly that year .
- 尾声十九年之后秋天好像来得很突然。