Hydrogenation catalysts
[化] 氢化催化剂; 加氢催化剂
🧩 词语组成解析
[化] 氢化\\n[医] 氢化[作用]
n. <化>催化剂( catalyst的复数形式 ); 触媒; 促进因素; 有感染力的人
🗣️ 情景例句
How long will it take for my mail to reach its destination?
我的信件到达目的地要多久？
Which one is easier?
哪一个是较简单的？
He has pointed out that the tree is a useful source of income as tour-ists have been coming from all parts of the country to see it.
他指出，由于人们从全国各地纷纷前来参观这棵树，