Our supplier confirmed that the precursor for the coating will ship by Friday.

我們的供應商確認，塗料的前驅物將在週五前出貨。

The lab manager emailed the team about a shortage of the main precursor.

實驗室經理寄電子郵件通知團隊，主要前驅物短缺。

Finance approved a larger budget because precursor prices rose sharply this quarter.

由於本季前驅物價格大幅上漲，財務部門核准了較高的預算。