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| learn about one's duties (about the duties of a weather observer, about the work of a schoolmaster, about their customs, etc., и т.д.) | |||
| acquaint oneself with one's duties | |||
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| learn about one's duties (about the duties of a weather observer, about the work of a schoolmaster, about their customs, etc., и т.д.) | |||
| acquaint oneself with one's duties | |||