Perlimonite
褐铁矿
🗣️ 情景例句
There is a lot of unsavory material available on the internet.
网络上有很多不健康的信息。
Wise men learn by other men's mistakes;fools by their own.
聪明人从旁人的错误中吸取教训，愚笨人则从自身的错误中吸取教训。
What's your plan for the summer vacation?
你暑假打算干什么？