I'll never forget hearing this piece of music for the first time.

我永远不会忘记第一次听到这首曲子的情景。

《牛津词典》

It may sound like an unusual piece of advice, but it is true the first impression someone has of you when meeting you for the first time will probably influence how that person treats you or reacts to you in the future.

这可能听起来像一个不寻常的建议，但这是真的，当别人第一次见到你时对你的第一印象可能会影响那个人将来如何对待你或对你的反应。

youdao

The first time a piece of attire intended to be worn into a lake, pool or sea was called a suit was back in 1883.

首次把在湖里、水池中或海里的穿着称作衣服（suit 游泳衣）要追溯到1883年。

youdao

Still, it's not the first time a lost piece of the space race era has been found.

CNN: Amazon chief plans to recover Apollo engines from seafloor

That wasn't the first time Moby changed his mind about a piece of real estate.

WSJ: Moby Hunts Whale of Deal

It's time for my first money and consumer piece of the year.

BBC: Fergus Muirhead