light medium

• 基质

light medium的用法和样例：

例句

1. The rooting medium should be moist, well aerated, and sterile.
   生根的基质应当是湿润，透气良好和消过毒的。
2. Effects of Medium Ratio and Growth Regulator on Rooting of Hydrangea macrophylla Ser.
   基质配比及生长调节剂对八仙花扦插生根的影响。