Norium
混合稀土金属
🗣️ 情景例句
You can't expect me to believe that.
你不会以为我会信以为真吧。
How big?
多大？
Rubbish, however, is only part of the problem of polluting our planet.
然而，垃圾只是我们这个星球的污染问题的一个方面。