干性油

例句：

1. 1. The car's engine needs a good amount of lubricating oil to keep it running smoothly.
   汽车发动机需要大量的润滑油来保持顺畅运行。
2. 2. The dryness of the desert requires constant watering to prevent the plants from drying out.
   沙漠的干燥需要持续浇水以防止植物脱水。
3. 3. Linseed oil is a rich source of essential fatty acids that are beneficial for skin health.
   亚麻籽油是有益皮肤健康的必需脂肪酸的良好来源。