millstone

n. 磨石、磨難、重擔

學術名詞

• 磨石：食品科技、礦物學、海洋地質學、地質學
• 密爾斯通：外國地名
• 磨盤：食品科技

英文釋義

1. (figurative) something that hinders or handicaps
2. any load that is difficult to carry
3. one of a pair of heavy flat disk-shaped stones that are rotated against one another to grind the grain