医生检查了他的舌苔来判断健康状况。

The doctor examined his ___tongue ___coating to assess his health.

医生检查了舌苔以评估她的消化健康。

The doctor examined her ___tongue ___coating to assess her digestive health.

树枝上覆盖着一层薄薄的雪。

The branches are covered with a light ___coating of snow.

她在面包上刷了一层蛋液，这样烤出来颜色会更金黄。

She brushed an egg ___coating on the bread to make it look more golden when baked.