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
He believes it'll bring good luck to all the Stewart babies.
他相信这手套会给Stewart家所有的婴儿带来好运。
An empty hand is no lure for a hawk.
空手诱不来老鹰。
Education, with its cycles of instruction so carefully worked out,
教育，以其教学周期如此精心地安排，