Hellandite
钙铒钇石
🗣️ 情景例句
At any rate, our country and the United States need each other.
总而言之，我国与美国相互需要。
I am a native.
我是本地人。
Their sleeping bags were warm and comfortable, so they all slept soundly.
睡袋既暖和又舒服，所以，他们都睡得很香。