yolk plug

例句：

1. 1.The chef carefully removed the yolkin from the chicken to reveal the meat underneath.
   厨师小心翼翼地从鸡中取出蛋黄塞子，露出下面的肉。
2. 2. During the cooking process, the yolkin is used as a barrier to prevent the juices from leaking out.
   烹饪过程中，蛋黄塞子被用来防止汁液泄漏。
3. 3.The yolkin can also be used to make delicious desserts like custards and puddings.
   蛋黄塞子还可以用于制作美味的甜点，如布丁和果冻。