水族馆砾石
A small bowl of aquarium gravel, or a box of baking powder.───一小碗水族箱里的砾石或是一盒泡打粉。
Tip:To absorb odors, place a small bowl of baking powder or aquarium gravel inside.───注意：为了除去异味，可以在里面放上一小碗泡打粉或是水族箱里的砾石。
Use aquarium gravel, as it should not leach harmful substances into the water.
It will grow quite well in aquarium gravel with very little organic matter.
Cultivation: Very undemanding as to growing medium, this plant will even grow in plain aquarium gravel or sand.
quantum gravity───量子重力；量子引力
quantum gravities───量子重力；量子引力
air travel───n.航空旅行；空中旅行
aquacultural───水产养殖的
aquarial───水产养殖
aquarium───n.水族馆；养鱼缸；水族箱
aquariums───n.水族馆（aquarium的复数形式）；鱼缸；玻璃缸