2. This fossil was discovered in Liaoning Province. 这块化石是在辽宁省发现的。
3. Even policeman participated in the back door, I discovered. 我发现,即便警察也参与了后门活动。
英英解释
adj.
1. no longer concealed; uncovered as by opening a curtain; `discovered' is archaic and primarily a thea
2. discovered or determined by scientific observation