be dyed in grain

例句：

1. 1. Theclothes were dyed in grain before beingwashed.
   衣服在洗涤前被染色。
2. 2. Thefarmer used to dye his wheat in grain.
   农民过去常在谷物中染色他的小麦。
3. 3. The artist applied the paint in grains on the canvas.
   艺术家在画布上以颗粒状涂抹颜料。