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
We can write letters. It's cheaper than calling.
我们可以写信就好，那比打电话便宜。
Better are small fish than an empty dish.
有胜于无。
She gazed at it for some time then added,
她凝视着它一会儿，补充道，