| 1. | No matter what your first language is, you should treasure it all your life . 不论你的第一语言是什么,你一生都应珍惜。 |
| 2. | Grammaticalization observed from first language acquisition 语法化与母语习得 |
| 3. | Mankind learns its first language in early childhood 人类是在幼年开始学习第一种语言的。 |
| 4. | English is the first language in none of these countries 英语在这些国家中都不是第一语言。 |
| 5. | English is spoken as a first language in the usa 在美国,大多数人把英语作为第一语言(主动语态) 。 |
| 6. | No , my first language is chinese 英语是不是您的第一语言? |
| 7. | It is spoken by more than 400 millon people as their first language 有4亿多人把英语当成他们的母语。 |
| 8. | Is english your first language 英语是不是您的第一语言? |
| 9. | English is spoken as a first language by most people in the usa 在美国,英语被作为大多数人的第一语言。 |
| 10. | Most people speak english as a first language in the usa 在美国,大多数人把英语作为第一语言(主动语态) 。 |