例句與造句

1. Irrigation is often studied together with drainage, which is the natural or artificial removal of surface and sub-surface water from a given area.
2. Recognition of the importance of epigenetic programming to the establishment and fixation of cell line identity during early embryogenesis has recently stimulated interest in artificial removal of epigenetic programming.
3. "' Drainage "'is the natural or artificial removal of surface and waterlogging ( anaerobic conditions that harm root growth ), but many soils need artificial drainage to improve production or to manage water supplies.
4. It's difficult to find artificial removal in a sentence. 用artificial removal造句挺難的