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
We all condemn cruelty to children.
我们一般谴责虐待儿童的行为。
As relationships between the People's Republic of China and the United States strengthen more and more today.
随着当今中美两国关系的不断加强。
He has an old head on young shoulders.
他年轻又有见识。