Isotope labeling reagent
[化] 同位素标记试剂
🧩 词语组成解析
[经] 贴标签
reagent
[ri(:)'eidʒənt]
n. 反应物，试剂;
🗣️ 情景例句
Do you still live there?
你还住在那儿吗？
I asked him to do it for me, but he wouldn't.
我请他帮我做，但是他不肯。
I had not laughed since I became deaf.
我耳聋后就从来没有笑过。