Constantan
n. 康铜(铜镍合金)\\n[医] 康铜(镍铜合金)
🗣️ 情景例句
to plan the refurnishing of the old library
计划重新整修老图书馆
I could only guess the number of people in the room.
我无法正确地猜测房间里面有多少人。
It took me ten minutes to persuade her to ring back later.
我用了10分钟的时间才说服她过会儿再来电话。