natural drying的用法和樣例：
例句
- This machine mainly mixes the crushed sponge and glue to pressurize, whereafter shaped by steaming or natural drying.
本機主要把碎海綿與膠混合在一起加壓，用蒸汽成型或者自然干燥。 - So the critical point drying method is better than the natural drying method for palynology research.
進(jìn)行孢粉學(xué)研究，臨界點(diǎn)干燥法優(yōu)于自然干燥法。
