yelk

例句：

1. 1.The chef carefully removed the yolkfrom the egg before cooking it.
   厨师在烹饪之前小心翼翼地从鸡蛋中取出蛋黄。
2. 2. Theyolk of the egg is richin nutrients that are essential for health.
   鸡蛋的蛋黄富含对健康至关重要的营养物质。
3. 3. Theyolk of the egg contains cholesterol, which can be harmful if consumed inexcess.
   鸡蛋的蛋黄含有胆固醇，过量摄入可能有害。