Zellerite
菱钙铀矿
🗣️ 情景例句
Let's talk business.
我们来谈谈正经事。
What we are ignorant of is immense.
我们不知道的东西多得不可胜数。
Babies of two months old do not appear to be reluctant to enter the water.
两个月的婴儿并未显得不愿意入水。