Some birds fly in groups for safety, while others fly alone.

有些鸟类会为了安全而成群地飞行，而其它鸟类则独自飞行。

youdao

When did the writer fly alone for the first time?

作者什么时候第一次独自飞行？

youdao

Next, he planned to build his own plane and fly alone around the world.

接下来，他计划建造自己的飞机，独自环游世界。

youdao

Only six years earlier Charles Lindburgh became famous around the world as the first person to fly alone across the Atlantic Ocean.

VOA: special.2009.03.18

It was nineteen thirty-three. Only six years earlier Charles Lindburgh became famous around the world as the first person to fly alone across the Atlantic Ocean.

VOA: special.2011.04.27

He had just become the first person to fly a plane alone across the Atlantic Ocean, from New York to Paris.

VOA: special.2009.06.28

Some flight schools reacted immediately to the new threat of dangerous student pilots who, at some point, must fly alone to pass tests.

CNN: graphic

She really did fly alone.

WSJ: The Weekend Interview with Mark Boal: The Art and Politics of 'Zero Dark Thirty'

This man had heart surgery, and shortly afterward had been dropped off at the curb to buy a ticket with no reservation to fly to New Orleans alone.

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