Nelsonite
钛铁磷灰岩
🗣️ 情景例句
What's the weather like in Japan this time of year?
现在日本的天气怎么样？
Better an open enemy than a false friend.
明枪易躲，暗箭难防。
It is hard for us to realize nowadays how difficult it was for the pioneers.
我们今天很难想像昔日的登山先驱们是多么艰苦。