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
I'm afraid I didn't get on very well in the exam.
我这次考试恐怕不太顺利。
I think it's going to take at least 2 days.
我认为它将花至少两天时间。
Close the door after you，please.
请随手关门。