Ergative sentences, as a special sentence pattern, are very difficult to master in second language acquisition.

作格句在英语中是一种特殊句式，在第二语言习得中较难掌握。

youdao

Ergative sentences, as a special sentence pattern, are very difficult to master in second language acquisition.

作格句在英语中是一种特殊句式，在第二语言习得中较难掌握。

youdao