I'm building sand castles in the sand.

现在我正在沙堆里建城堡呢。

youdao

Ultimately, the kids are happy tossing a ball, building sand castles-and letting their guard down.

最终，孩子们高兴地掷球玩耍，建造沙滩城堡，放下了原来的那份矜持和警惕。

youdao

Lady: Doctor, my son has always been being fond of playing in sand - making sand desserts and building sand castles.

女士：大夫，我的儿子一直就喜欢玩沙子，又是做沙子甜点，又是盖沙堡。

youdao

This plant turns debris from buildings - many destroyed by Israeli air strikes - into sand and gravel that is then turned into cinder blocks for building.

VOA: standard.2010.06.16

The tide can be treacherous but the golden sand is ideal for picnics, building sand castles, watching kite surfers and, when the tide goes out, paddling in the lagoons.

BBC: Mini guide to coastal Norfolk

However, it wants to use it for tipping away "inert" clay and sand from building sites instead.

BBC: Woodeaton villagers fight quarry reopening

The kids' camp keeps them busy with sand castle building and craft making, plus sports like pool volleyball and beach bowling.

CNN: 10 budget friendly all-inclusive resorts