mass reaction的用法和樣例：
例句
- After cytarabine method, a large number of cells died and no positive reaction cells were found by immunostaining.
阿糖胞苷法阿糖胞苷作用后細胞大量死亡，免疫染色幾乎未見(jiàn)陽(yáng)性反應細胞存在。 - Scientists say that mass bee deaths may be caused by viruses that disrupt gene expression.
科學(xué)家稱(chēng)造成蜜蜂大量死亡的原因可能是病毒造成的基因表達分裂。
