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
You'll receive my invitation soon enough, and I will inform you.
你很快会收到我的请柬，我会通知你的。
Did you go to the church this morning?
你今早去教堂了吗？
Accurate, don't you think? Fortunately, I wasn't wearing it at the time.
真够准的，是不是？幸亏我当时没戴帽子。