petrolatum liquidum的用法和樣例：
例句
- For moisture, some people swear by a product that has petrolatum, or lecithin, or silk.
為了保濕，有些人信賴包含有礦物油，卵磷脂，或絲綢的產品。 - The most important thing to remember when purchasing hair care products is not to purchase any that contain mineral oil or petrolatum oil.
最重要的是記得當初購買護髮產品不要購買任何含有礦物油或蠟油。
