Our lab team submitted a report on the new petroleum derivative before Friday's meeting.

我們的實驗室團隊在週五會議前提交了一份關於新石油衍生物的報告。

The shipment of plastic derivatives was delayed at customs due to missing safety documents.

這批塑膠衍生物因缺少安全文件而在海關延誤。

Investors were impressed that the company's cellulose derivative could replace costly imported materials.

投資人對該公司的纖維素衍生物能取代昂貴進口原料印象深刻。