记号学家

例句：

1. 1. The anthropologist is known for her work on the study of human behavior.
   这位人类学家以其对人类行为的研究成果而闻名。
2. 2. The linguist specializes in the study of language, including phonetics and phonology.
   语言学家专门研究语言，包括语音学和音韵学。
3. 3. The numismatist collects coins and other tokens of value.
   收藏家收集硬币和其他有价值物品作为收藏品。