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
She quit her job.
她辞职不干了。
Is that so?
是这样子的吗？
For them this is a major operation which involves considerable planning.
看戏在他们是件大事，需要精心计划。