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
Turn around, Michelle. Let me see the back of it.
转过去一下， Michelle。让我看看它的背面。
Would it be too much to ask you to respond to my question by tomorrow?
可以请你在明天以前回复吗？
Oh, hello. Could I speak to Ann, please?
噢，喂。请安接电话好吗？