Gerhardt's reaction
[医] 格哈特氏反应(检尿中丙酮及乙酰乙酸)
🧩 词语组成解析
🗣️ 情景例句
Nice talking to both of you.
很高兴与两位交谈。
We tried in vain to make him change his mind.
我们试图使他改变他的主意，但白费力气。
I have an exhibition in London this coming month.
下个月我在伦敦要举办一次画展。