Folin-mcellroy reagent
[医] 福-麦二氏试剂(含焦磷酸钠、磷酸二氢钠、碳酸钠、硫酸钠)
🧩 词语组成解析
reagent
[ri(:)'eidʒənt]
n. 反应物，试剂;
🗣️ 情景例句
I don't know.
我不知道。
He hasn't done any worthwhile work in five years.
这五年来他没做过一件正经事。
It's about a time when there were black slaves in North America. It's about their fight for freedom.
（它）讲的是有一段时期，北美洲存在黑奴。影片讲述他们为自由而斗争的情况。