solid gold

例句：

1. 1. The necklace is made of solid gold.
   这条项链是用纯金制成的。
2. 2. He boughta solid gold watch for his wife asa gift.
   他给妻子买了一块纯金手表作为礼物。
3. 3. The solid gold coinwas worth thousands of dollars.
   这块纯金硬币价值数千美元。