Place one piece of bubble pad, bubble facing down, into bottom of shipping box.

将一块气泡垫放入外箱底，气泡面朝下。

youdao

The box (or "bubble") is usually timed to disappear after a few seconds.

小框通常是有时间限制的，（显示）几秒钟后就消失了。

youdao

The box (or "bubble") is usually timed to disappear after a few seconds.

小框通常是有时间限制的，（显示）几秒钟后就消失了。

youdao