Silicea
硅剂
🗣️ 情景例句
What are you gonna do now?
你打算做什么？
Jack will feel sorry when she leaves.
她一走，杰克会觉得悲伤的。
I'm afraid we haven't got any black shoes in that size at the moment.
恐怕此刻我们没有8号的黑色鞋了。