Xī / chún / shì / yí / lèi / hán / yǒu / tàn / tàn / shuāng / jiàn / hé / qiǎng / jī / de / yǒu / jī / huà / hé / wù

烯醇是一类含有碳碳双键和羟基的有机化合物。

An enol is a type of organic compound containing a carbon-carbon double bond and a hydroxyl group.