picrol

例句：

1. 1. The painter's palette contains a variety of pigments for creating different shades.
   画家的调色板包含了多种颜料，用于创造不同的色调。
2. 2. The scientist used picrol to test the sample for any contaminants.
   科学家使用picrol来测试样本中是否有任何污染物。
3. 3. Picrol is a common chemical compound that can be found in many household products.
   picrol是一种常见的化学化合物，可以在许多家庭用品中找到。