Cunisil
铜镍硅高强度合金
🗣️ 情景例句
I believe my English fluency is quite good.
我认为自己的英语相当的流利。
Explosion
爆发
A day may begin well enough, but suddenly everything seems to get out of control.
一天开始时，可能还不错，但突然间似乎一切都失去了控制。