Vanadium catalyst
[化] 钒催化剂
🧩 词语组成解析
n. 钒\\n[化] 钒V
🗣️ 情景例句
You are one fantastic mom,
是一位好母亲。
We're in competition with several other companies for the contract.
我们与另外几家公司逐争取这个合同。
They will also be building new roads and a special railway line.
他们还将修筑一些新的道路和一条铁路专线。