Calsil
硅酸钙盐
🗣️ 情景例句
Or religion unless you know them very well.
除非你和对方很熟。
His heart swelled with gratitude to her.
他心中充满着对她的感激之情。
When he travelled across India, he travelled hard-seat, unreserved, together with peasants and other ordinary people.
当他穿越印度旅行时，他与农民及其他普通人一起乘坐"没有被预定的硬座。