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
You'd better be careful.
你要小心一点。
Eagles catch no flies.
大人物不计较小事情。
for the simple reason that I was left with several curiously shaped bits of metal which did not seem to fit anywhere.
原因很简单，因为还剩下几个形状奇特的零件似乎哪里也装不上去。