Silicea
硅剂
🗣️ 情景例句
You look bothered. Is there something I can help you with?
看你好像有点烦恼，有什么我可以帮忙吗？
You've got an express mail.
你有特快专递。
But you still haven't explained what you're doing here.
啊，你还没有说你是来干什么的。