Radioactive indicator
[化] 放射指示剂
🏥 医学释义
放射性示踪剂
🧩 词语组成解析
indicator
['ɪndɪketɚ]
n. 指示器;[化]指示剂;指示者;
🗣️ 情景例句
That's for a long distance call you make two nights ago.
这是你两天前打的一个长途电话的费用。
It is easy to open a shop but hard to keep it always open.
开设店铺易，维持常开难。
the young man has a glorious future before him and the old one has a splendid future behind him:
青年人有光辉灿烂的前景，而老年人的辉煌已成为过去。