Constantan
n. 康铜(铜镍合金)\\n[医] 康铜(镍铜合金)
🗣️ 情景例句
And good luck! I've got to go.
祝你好运 我得走了。
Don't reject his offer of marriage.
别盲目拒绝他的求婚。
Insects would make it impossible for us to live in the world;
要不是人类受一些食虫动物的保护，昆虫就会使我们无法在地球上生活下去，