Hahn oxine reagent
[医] 哈恩氏8-羟基氮萘试剂
🧩 词语组成解析
n. 哈恩（男子名）
[化] 8-羟基喹啉
reagent
[ri(:)'eidʒənt]
n. 反应物，试剂;
🗣️ 情景例句
But somehow I got my days mixed up and didn't realize the mistake until now.
可是不知道怎么回事，我把日期弄错了，而且到现在才知道这个错误。
If he doesn't pay, who will?
如果他不，谁要付账？
It is six o'clock.In the evening, the children usually do their homework, but this evening, they are not doing their homework.
现在是6点钟。晚上，孩子们通常是做作业，而今天晚上，他们没做企业。