Precursor ion
[化] 先驱离子
🧩 词语组成解析
precursor
[pri'kɝsɚ]
n. 前辈，前驱，先锋，前任;预兆，先兆，初期形式;[核]前驱波，初级粒子;预报器;
pre…前，预先+curs跑，发生+or名词后缀，表人或物→先跑者→先驱
ion
['aiən]
n. <物>离子;
🗣️ 情景例句
in every appliance store in Riverdale,
在Riverdale的每一家电器行，
The modern farmer spreads the agricultural chemicals on the fields.
当今的农民
Is there much of a difference in price?
价钱也有很大的分别吧？