深穴般夜空里的钻石掉落在昏暗的树林；
当浅滩掉进水中深穴或在溢洪道和闸门之出水口，这种技巧特别有效。
This technique is particularly effective where a riffle drops into a pool or at the dis-charge of a spillway or penstock.
当他们到了一座高山之顶，他拿了一块大石，将此做成一个深穴，放下死尸和她的服装和珠宝。
When they reached a high mountain, they took up a large stone, which formed the mouth of a deep pit and let down the body with all its apparel and jewels.
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