eighteen

The legal driving age in many U.S. states is eighteen.

(Chinese) 美国许多州的法定驾驶年龄是十八岁。

The apartment building has exactly eighteen floors.

(Chinese) 这栋公寓楼正好有十八层。

In Japan, the age of majority was lowered from twenty to eighteen in 2022.

(Chinese) 在日本，成年年龄于2022年从二十岁降至十八岁。

She celebrated her eighteenth birthday with a trip to Paris.

(Chinese) 她用一次巴黎之旅来庆祝她的十八岁生日。