Richetite
鉛鈾礦
??? 情景例句
Their life together has been wonderfully happy.
他們在一起的生活極為幸福。
He gets more professional satisfaction from teaching.
從事教育職業，他更感受到職業上的滿足。
which we may call respectively the tough and the gentle.
我們分別稱之為強硬法和溫柔法。