Calcinitre
钙硝石
🗣️ 情景例句
I've never been able to figure him out.
我一直不能理解他。
I'm afraid I won't be able to come.
我恐怕不能来。
he knows while he looks at one side what the other side is like;
他看物体的一边时，便知道另一边是个什么样子。