precursors是什么意思,precursors怎么读,
英式发音:[prɪ'kɜːsəz] 美式发音:[prɪ'kɜːsəz]
precursor chemicals易制毒化学品
1.Without doubt, the United States is exhibiting some of the classic precursors to out-of-control inflation.
无庸置疑的是,美国市场已经呈现出无法控制的通货膨胀的预兆。
3.Finally, phagocyte precursors may undergo malignant transformation, which results in acute or chronic myelogenous leukemia.
到最后,吞噬细胞前体可能发生恶变,导致急性或慢性骨髓性白血病。
4.After all, the precursors were already evident: the PC, global online services like CompuServe, and carphones.
毕竟,预兆已经很明显:个人电脑,如CompuServe这样的全球线上服务,车载电话。