uncover 主要指移去遮蓋物，讓東西顯露出來。也可指揭露陰謀、秘密等。
reveal 多指揭露一直隱藏或隱秘的東西，或啟示超乎常人領導能力的真理。
reveal的例句：
1. Experts reveal only as much as they care to.
專家們只透露了他們想透露的那些。
2. He cannot reveal how much money is involved in the scheme.
他不能透露該計劃投入了多少錢。
3. Companies should be made to reveal more about their financial position.
應該要求公司使其財務狀況更為透明化。
4. The wall caved in to reveal a blocked-up Victorian fireplace.
墻坍塌了，露出砌在里面的維多利亞時代的壁爐。
5. The hinged seat lifts up to reveal a useful storage space.
把用鉸鏈連接的座位抬起來后，就會發現下面有一個實用的儲物空間。