Hoping to discover what language a child would speak if he heard no mother tongue, he told the nurses to keep silent.
他希望发现一个没有听到母语的孩子会说什么语言，他让护士们保持沉默。
2
Do these same advantages benefit a child who begins learning a second language in kindergarten instead of as a baby?
这些优势是否同样有利于在幼儿园而不是婴儿期就开始学习第二语言的孩子？
3
It is often a lingua franca of conferences, for example, and many journal articles in fields as diverse as astronomy, child psychology and zoology have English as a kind of default language.