Cupralith
库普拉利司铜锂合金
🗣️ 情景例句
Biology and mathematics.
生物学和数学。
Idle people (folks) have the most labour (take the most pains).
懒人做工作，越懒越费力。
Ah, yes, I remember now.
啊，是的，我现在记起来了。