蛋黄富含卵磷脂，常用于制作沙拉酱以帮助混合油和水。

Egg yolks contain high levels of ___lecithin, which is often used to help blend oil and water in salad dressings.

这种卵磷脂补充剂据说有助于提高专注力。

This ___lecithin supplement is said to help improve focus.