very light

Hydrogen is a very light gas that can help balloons fly high in the sky.

氢气是一种非常轻的气体，助气球在天空中飞得很高。

The basket is very light; I can easily pick it up.

篮子很轻，我很容易地拿起来。

Aluminium looks heavy but actually it is very light.

铝看起来很重,实很轻。

This suitcase looks heavy but actually it is very light.

这个皮箱看去很重, 实很轻。

These plastic bowls are very light.

这些塑料碗很轻。