grain的意思是：谷物。過去式：grained，過去分詞：grained，現在分詞：graining，第三人稱單數：grains，復數：grains。
1、There were a few?grains of rice on his face.他的臉上沾著幾粒米飯。
2、The cook assistant?grains the hair from the pigskin on the workbench.廚師助手在工作臺上去除豬皮上的毛發。
3、The salt?grained up.鹽結粒了。
4、Grains?are the seeds of food plants such as wheat and rice.谷物是指糧食作物的籽 比如說小麥和米。
5、I always try to watch critically-acclaimed movies with a?grain?of salt.對於那些倍受好評的電影還是要有所持保留態度。