例句
Where the water table is very high and contamination cannot be otherwise avoided, aboveground tanks may be needed.
在地下水位很高以致水源污染无法被避免的地方，储水池需建在比地面高的地方。
Therefore, an ideal bioenergy plant would produce lots of aboveground biomass for fuel as well as have an extensive root system.
因此，一种理想的生物能植物应能生产大量的地上部生物量燃料并有丰富的根系。