precursor
🇺🇸
/priˈkɜːrsər/
🇬🇧
/priˈkɜːsə(r)/
noun
R
Something that comes before another thing and helps it to happen or develop.
The storm was a precursor to the heavy rain that followed.
暴風雨是接下來大雨的前兆。
translation
前驅
詞形變化
Plural
precursors