Raney's nickel
[医] 兰尼氏镍, 海绵状镍催化剂
🧩 词语组成解析
nickel
['nɪkl]
n. [化]镍;五分镍币;
vt. 镀镍于;
🗣️ 情景例句
Please, sit down.
请坐。
What is worth doing at all is worth doing well.
事既值得做，就把事做好。
Yes, it is.
是的