词汇	essential to/for
释义	essential to/for 必不可少
随便看	slowly s-l-o-w-l-y slowly-accumulated dose Slowly Adapting slowly adapting receptor slowly available nutrient slowly available potassium slowly available potossium Slowly bring the liquid to 82 degrees Celsius slowly but surely Slowly but surely,it crept into our lives Slowly but surely spring returens Slowly but surely spring returns slowly changing slowly changing dimension attribute types slowly changing field slowly changing potential Slowly climbs the summer moon slowly-condensed sediment Slowly cooling slowly cooling cinder of power plant slowly damped circuit slowly dccaying slowly decaying slowly decaying initial data