Sionox
二氧化硅
🗣️ 情景例句
There's no need to push, we're all in lined you know!
没必要推推挤挤的，我们都在排队呢。
Please call me and let me know.
请打电话告诉我。
We need some meat.We haven't got any meat at all.
我们需要些肉。我们一点肉也没有了。