1. English and German are cognate languages with many shared vocabulary words.
英语和德语是同源语言，有许多共同的词汇。

2. The word "mother" in English is cognate with "mutter" in German and "mère" in French.
英语中的“mother”一词与德语中的“mutter”和法语中的“mère”同源。

3. Spanish and Italian are cognate languages due to their Latin roots.
西班牙语和意大利语是同源语言，因为它们都有拉丁语根。

4. The linguist studied the cognate words in different languages to trace their origins.
语言学家研究不同语言中的同源词，以追溯它们的起源。

5. The cognate relationship between French and Spanish makes it easier for speakers of one language to learn the other.
法语和西班牙语之间的同源关系使得一个语言的讲者更容易学习另一种语言。

6. Recognizing cognate words can help language learners expand their vocabulary more quickly.
认识同源词可以帮助语言学习者更快地扩展他们的词汇量。