Vanadium catalyst
[化] 钒催化剂
🧩 词语组成解析
n. 钒\\n[化] 钒V
🗣️ 情景例句
We have another event to attend on the same day.
那天我们有其他活动要参加。
I ought to keep cool.
我应该保持冷静。
John Dewey has said in all seriousness that the part played by custom in shaping the behaviour of the individual,as against any way in which he can affect traditional custom,
风俗在形成个人行为方面所起的作用和一个对风俗的任何影响相比，