Activity test
[化] 活性试验; 催化剂的活性试验
🧩 词语组成解析
🗣️ 情景例句
The airport rescheduled a flight.
机场改变了航班时间。
His argument doesn't hold water.
他的论点站不住脚。
Every man is fool sometimes, but none at all times.
每个人都有愚蠢的时候，但是没有一个人永远愚蠢。