The country "s official language is Estonian, which is closely related to Finnish."

该国的官方语言是爱沙尼亚语，它和芬兰语有很接近的关系。

youdao

Interestingly, the two non-Indo-European language groups of europe-finno-ugric (Hungarian, Finnish, and Estonian) and basque-have no grammatical genders.

有趣的是，欧洲的两个非印欧语系的语族——芬兰-乌戈尔语[Finno - Ugric](匈牙利语、芬兰语和爱沙尼亚语)和巴斯克语[Basque]却根本没有“语法性别”。

youdao

Study Spanish, French or English. Or attempt a more unusual language like Polish, Estonian or Thai.

学习西班牙语、法语或是英语吧，再或是学习一门更不寻常的语言，像波兰语、爱沙尼亚语或泰语。

youdao

The Estonian language is closely related to Finnish but not to the languages of either of the other Baltic republics, Latvia and Lithuania, or to Russian.

BBC: Estonia country profile

Thus, after noting the Estonian language's "primitive cast, " Mr. Theroux turns his attention to Lord Monboddo, an 18th-century sage who believed that apes were essentially humans without the power of speech, enjoyably esoteric information that tells us little about Estonia but a lot about Mr. Theroux's magpie mind.

WSJ: Book Review: Estonia

The Estonian singers may not be Russian, but they're fluent in the language.

NPR: Rachmaninov's Refreshing 'All Night Vigil'