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
And it needs your contributions of furniture,
而且也需要你捐献家具，
Do you have a coin for the phone?
你有打电话的硬币吗？
I know. I can help him with most of his subjects.
我知道。我可以帮助他学习绝大多数科目。