n. a hard coarse-grained siliceous sandstone
v. cover with a grit
v. clench together
n. 砂砾, 粗砂石
vt. 覆以砂砾, 咬牙切齿地说
vi. 摩擦作声
1. She showed great grit when she finished the marathon despite the rain.
尽管下着雨，她在完成马拉松时表现出了极大的毅力。
2. Having grit is important for achieving long-term goals.
拥有毅力对实现长期目标很重要。
3. The team demonstrated their grit by coming back to win the game in the final minutes.
球队在最后几分钟反超获胜，展现了他们的韧性。