L Language Selection 语言选择
GML L Generalized Markup Language 通用标记语言
l 2 language acquisition 第二语言习得
l Speech Language Therapist 语言治疗师
BCL L Batch Command Language 批命令语言
The basic rules and words of Esperanto were proposed by L. L. Zamenhof at the end of the 19th century, the idea was to create a world language that everyone could speak.
世界语的基本规则和单词发明于19世纪末，为L.L. Zamenhof所创立，其目的是创造一种人人能说的世界通用语言。
At three he knows about l, 000 words which he can put into sentences, and at four his language differs from that of his parents in style rather than grammar.
3岁的时候，孩子就能够掌握约1000个词并且用这些词语组成句子，4岁的时候孩子的语言和父母在语法上基本没有差别，只是语言风格还不一样。
For instance, between 8 and 10 months of age babies exposed to English become better at detecting the difference between 'r' and 'l' sounds, which are prevalent in the English language.
比方说，接触英语的宝宝们在8个月至10个月大的时候会更容易分辨r和l两个音的区别，而这两个音在英语中很普遍。
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