Lesson 三: Practice using approximate numbers (左右, 几, 多) with common vocabulary: week, red wine, lobster, kilogram, bottle, class, hotel, market, bus, nurse, socks, tables. Includes example sentences and translations for quantities like 30 students, two weeks, four glasses of wine, eight kilos of lobster, fifty buses, seven thousand nurses, 100 pairs of socks, ten tables, and more.