A speech impediment that turns s and z into th sounds.

• Common in children; often improves with therapy.

一种言语缺陷，将 s、z 发成英语的 th（θ/ð）。

• 常见于儿童，可通过治疗改善。

To speak with a lisp.

• To pronounce s and z as th.

咬舌地说话。

• 把 s、z 发成英语的 th。

A family of programming languages emphasizing functional style and lists.

• Noted for prefix notation and pervasive parentheses.

一类强调函数式风格与列表处理的编程语言。

• 以前缀表示法和大量括号著称。