Hexammine
[化] 六氨合物
🗣️ 情景例句
Can you tell me something about the student body?
谁是学生会主席？
The train is comfortable.
坐火车很舒服。
Putting my hand on her face, she spelled l-a-u-g-h.
她将我的手在她的面部，就拼写l-a-u-g-h。