Alfenide
阿爾芬納德鎳黃銅(耐稀酸), 銅鎳合金
??? 情景例句
How are you?
你好嗎？
I wasn't aware of that.
我沒有意識(shí)到。
It just took us a long time to get over the rocks.
我們花了很長時(shí)間才爬過巖石。