例句與造句

1. These provided an architecture that focussed fluid-metals into the upper crust's depositional sites.
2. The studies of provenance involve the following aspects : " ( 1 ) the source ( s ) of the particles that make up the rocks, ( 2 ) the erosion and transport mechanisms that moved the particles from source areas to depositional sites, ( 3 ) the depositional setting and depositional processes responsible for sedimentation of the particles ( the depositional environment ), and ( 4 ) the physical and chemical conditions of the burial environment and diagenetic changes that occur in siliciclastic sediment during burial and uplift ".
3. It's difficult to find depositional site in a sentence. 用depositional site造句挺難的