常見例句雙語例句The effect of two important environmental factors, photoperiod and water temperature, on serum melatonin levels (SMLs) were further examined in ricefield eels by radioimmunoassay.研究光周期和水溫這 2種重要的環(huán)境因子對黃鱔血清褪黑激素水平的影響。 返回 smls