They mix with ice in the air and fall to the ground as snow.

它们与空气中的冰混合，然后以雪的形式落在地上。

youdao

Galileo was not merely ambitious when he dropped objects of varying weights from the Leaning Tower at Pisa and timed their fall to the ground.

伽利略从比萨斜塔上扔下不同重量的物体，并计算它们的下落时间。他要实现的不仅是他的勃勃雄心。

youdao

If it is displayed on such occasions, do not allow the flag to fall to the ground, but let it be carried high up in the air to form a feature of the ceremony.

如果在这种场合展示国旗，不要让国旗掉到地上，而是让它高高地悬在空中以构成仪式的特色。

youdao

But they fall to the ground just as quickly, only lasting about two weeks.

BBC: Cherry blossom festivals amid tragedy

Yet not one of them will fall to the ground outside your Father's care'.

BBC: Twitter blessings offered for pets at Camberley church

Hairs that fall to the ground can be active for up to five years.

BBC: Pangbourne plan to eradicate oak processionary moth