1. 十进位转八进位：dechex: 十进位转十六进位. | decoct: 十进位转八进位. | exp: 自然对数 e 的次方值.

2. 熬,煲：cuisine 烹饪 | decoct 熬,煲 | dining room safety 餐厅安全

3. 熬：declutch 分开离合器 | decoct 熬 | decoction 煎煮

4. 熬、煎：烧、煮Cook | 熬、煎Decoct | 烤Grilled

1. steep in hot water

2. be cooked until very little liquid is left

    e.g. The sauce should reduce to one cup

    Synonym: boil downreduceconcentrate

3. extract the essence of something by boiling it