In recent years,Chinese toy makers came under scrutiny after U.S.investigators found harmful amounts of lead in products for children and banned the use of lead.

VOA: standard.2010.01.11

I am interviewing Chinese immigrant children and European children to see how they learn

我正在采访中国移民儿童和欧洲儿童，看看他们是如何学习的。

记忆深刻的研究 - SpeakingMax英语口语达人