Vanadium catalysts
[化] 钒催化剂
🧩 词语组成解析
n. 钒\\n[化] 钒V
n. <化>催化剂( catalyst的复数形式 ); 触媒; 促进因素; 有感染力的人
🗣️ 情景例句
Yup. I graduated in 1937.
是的，我是一九三七年毕业的。
You know that some countries are selling this kind of products at cheap prices in large quantities.
您知道有的国家对这种商品正在削价抛售。
All this was comparatively slow until, with the coming of science, the tempo was suddenly raised.
所有这些发展都比较缓慢，而随着科学的到来，增长的速度才突然加快。