Plastic water bottles are lighter than glass ones.

塑料水瓶比玻璃的要轻

He hugged the hot-water bottle to his chest.

他把热水袋紧捂在胸口。

She unscrewed the cap of her water bottle and gave him a drink.

她拧开水瓶盖，给他喝了一口水。

To help ease the pain, heat can be applied to the area with a hot water bottle.

可以用一个热水瓶在疼痛部位热敷来缓解疼痛。

Bring your own water bottle.

自己带瓶水。

Can I bring my water bottle?

我可以带我的水瓶吗？