Squrrite
灰硅钙石
🗣️ 情景例句
I don't know how to solve the problem. Will you help me out?
我不知道该怎么解决这个问题。你能帮我吗？
I wonder what he's doing.
我不知道他在做什么。
Please push the ladder against the wall.
请把梯子靠在墙壁上。