Black's reagent
[医] 布莱克氏试剂(氯化铁5克和氯化亚铁0.4克溶于100毫升水中)
🧩 词语组成解析
reagent
[ri(:)'eidʒənt]
n. 反应物，试剂;
🗣️ 情景例句
but it's too early to know for sure.
但我现在还不能决定。
I'm afraid it was a bother for you to do this.
我害怕做这会给你带来麻烦。
In all the less controversial fields, like the study of cacti or termites or the nature of nebulae,
在一切争议较小的领域里，如对仙人掌、白蚁或星云性质的研究，