Catayst selectivity
[机] 催化剂选择性
🧩 词语组成解析
[机] 催化剂
n. 选择性, 选择度\\n[化] 选择性
🗣️ 情景例句
That's exciting, Harry. What was it?
太令人兴奋了， Harry。是什么样的工作？
The day is long to him who knows not how to use it.
百无聊赖。
One of the first jobs when you start work in an office is to learn how to use every piece of equipment.
你在办公室开始工作的第一件事就是要学会怎样使用办公室里的每样设备。