她借助语法书和词典掌握了一门外语。

She has mastered a foreign language by the aid of a grammar and dictionary.

youdao

她借助语法书和词典掌握了一门外语。

She has mastered a foreign language by aid of a grammar and dictionary.

《新英汉大辞典》

我在书店买了一本词典、一本语法书和一本教科书。

At the bookstore I bought a dictionary, a grammar book, and a text book.

youdao

我在书店买了一本词典、一本语法书和一本教科书。

At the bookstore I bought a dictionary, a grammar book, and a text book.

youdao