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Tsiolkovsky

[ tsyawl-kawf-skee, -kof-; Russian tsuhl-kawf-skyee ]
/ tsyɔlˈkɔf ski, -ˈkɒf-; Russian tsʌlˈkɔf skyi /
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noun

Kon·stan·tin E·du·ar·do·vich [kon-stuhn-teen ed-wahr-duh-vich; Russian kuhn-stuhn-tyeen e-doo-ahr-duh-vyich], /ˈkɒn stən tin ɛdˈwɑr də vɪtʃ; Russian kən stʌnˈtyin ɛ duˈɑr də vyɪtʃ/, 1857–1935, Russian inventor and rocket expert.

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The verb tenses can be split into which 3 primary categories?

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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