Serpierite
[矿]锌铜矾
🗣️ 情景例句
When's the next class?
下一次上课什么时候？
Are you going anywhere?
你打算上哪儿去玩？
These days, advertisers not only offer free samples, but free cars, free houses, and free trips round the world as well.
目前，做广告的人不仅提供免费样品，而且还提供免费汽车，免费住房，免费周游世界。