Precursor nuclide
[化] 前驱核素
🧩 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
n. 核素\\n[化] 核素
🗣️ 情景例句
Has the container arrived in Sydney yet?
货柜已经到达悉尼了吗？
By the time we got there,the play had already begun.
等我们到那里，戏已经开始了。
I am on my way to the grocery store.
我正在去杂货店的路上。