Constantan
n. 康铜(铜镍合金)\\n[医] 康铜(镍铜合金)
🗣️ 情景例句
Dinner's on me.
晚饭我请客。
The houses downtown are very expensive.
市区的房子很贵。
Have your mechanics finished yet?
你们的机械师修好了吗？