liú / xíng / xìng / gǎn / mào / zài / dōng / jì / bǐ / jiào / cháng / jiàn / dà / jiā / yào / zhù / yì / bǎo / nuǎn

流行性感冒在冬季比较常见，大家要注意保暖。

Influenza is relatively common in winter, so everyone should keep warm.