1680s, "a place where something tends to collect," originally figurative, from French réservoir "storehouse," from Old French reserver "to reserve" (see reserve (n.)). Specific meaning "artificial basin to collect and store a large body of water" is from 1705.
权威例句
1. This reservoir was formed by damming the River Blith.
这个水库是通过在布莱斯河上筑坝形成的。
2. The villagers piped in drinking water from the reservoir.
村民用管道从水库引来饮用水。
3. The aircraft crashed after takeoff from Heathrow in a reservoir.
飞机从希思罗机场起飞后坠毁在一个水库里。
4. Torrents of water gushed into the reservoir.
急流涌入了水库。
5. The day was drawing near when we should have completed the reservoir.