We've lost one of our children.

我们失去了一个孩子。

I accidentally lost one earring.

我不小心弄丢了一只耳环。

I lost one of my favorite hairpins.

我丢了一个我最喜欢的发夹。

He lost one of his AirPods at the gym.

他在健身房丢了一个AirPods（苹果公司的蓝牙无线耳机）。

I need to buy a new sock because I lost one.

我需要买一只新的袜子，因为我丢了一只。

He lost one of his mittens while playing in the snow.

他在雪地里玩耍时丢了一只连指手套。

They lost one of the oars in the middle of the journey.

他们在旅途中丢失了一只桨。

They knew if they lost one more round, it would be game over.

他们知道如果再输一局，就会游戏结束。

She lost one of her favorite earrings at the party last night.

她昨晚在派对上丢了一只她最喜欢的耳环。

It reads: Lost one feather.

上面写着：丢失了一根羽毛。