zhè / xiàng / yán / jiū / tàn / tǎo / le / shuāng / yǔ / jiào / yù / duì / xué / shēng / yuán / yǔ / yán / néng / lì / de / yǐng / xiǎng这项研究探讨了双语教育对学生元语言能力的影响。This study examines the effects of bilingual education on students' metalinguistic ability.