zhè / gè / nuǎnshuǐpíng / bǎowēn / xiàoguǒ / hěn / hǎo / shuǐ / fàng / le / yī / zhěngtiān / háishì / rè / de

这个暖水瓶保温效果很好，水放了一整天还是热的。

This thermos has good insulation; the water is still hot after a whole day.