先后 + Verb + Object₁ + 和 + Object₂
The adverb 先后 (xiānhòu) means "one after another" or "successively," indicating that events happen in sequence. It emphasizes that multiple actions occurred, though the exact timing between them may vary. For example, 先后击败了德国和法国 means "defeated Germany and France one after another."
他先后去了北京、上海和广州。
tā xiānhòu qù le běijīng, shànghǎi hé guǎngzhōu.
He went to Beijing, Shanghai, and Guangzhou one after another.
这家公司先后推出了三款新产品。
zhè jiā gōngsī xiānhòu tuīchū le sān kuǎn xīn chǎnpǐn.
This company successively launched three new products.
她先后通过了笔试和面试,终于拿到了录用通知。
tā xiānhòu tōngguò le bǐshì hé miànshì, zhōngyú ná dào le lùyòng tōngzhī.
She passed the written exam and the interview one after another, and finally received her offer letter.