Raney's catalyst
[医] 兰尼氏催化剂, 海绵状镍催化剂
🧩 词语组成解析
🗣️ 情景例句
Your gong fu has a lot of good and bad points, but I'd like to draw particular attention to problems in your footwork.
你的功夫优点和缺点并存，但我希望你能特别要注意你的步法。
I had lunch with a friend of mine.
我和我的一个朋友一块吃了午饭。
The students followed Uncle Wang to see the other machine.
学生们跟着王大叔去看另一部机器。