Precursor
01
سلف, مقدمة
someone or something that comes before another of the same type, acting as a sign of what will come next
أمثلة
Her innovative ideas were a precursor to the technological breakthroughs of the 21st century.
كانت أفكارها المبتكرة سابقة للاختراقات التكنولوجية في القرن الحادي والعشرين.
02
سلف, مادة سابقة
a substance from which another substance is formed (especially by a metabolic reaction)
شجرة معجمية
precursory
precursor
cursor
