native tongue

基本解释

However, the realities of building "native tongue" versions of an application are far from ideal.
然而，构建 “本地方言” 版本的应用程序的情况远远没有这么理想。
Teachers type a message into a computer and the virtual tutor then reads the message out to the pupil in their native tongue.
教师只要在电脑上输入一段信息，这位虚拟的助教就是将它翻译以后，以声音的形式用学生的母语传达给学生。
Havel was a good friend of our UN ambassador, Madeleine Albright, who was born in Czechoslovakia and delighted in every opportunity she had to speak with him in their native tongue.
哈韦尔是我们驻联合国大使马德莱娜.奥尔布赖特的好朋友。奥尔布赖特出生于捷克斯洛伐克，很乐意利用她拥有每一次机会用他们的母语与哈韦尔交谈。

But when you say "I'm sorry" in English, it might mean something a little different than it does in your native tongue.
但是当你在英文中使用“I'm sorry”时，可能在意思上与你的母语有一点点差异。
I'm sorry 课堂 - SpeakingMax英语口语达人

Author and filmmaker Michel Houellebecq returned to France because he missed speaking in his native tongue.
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