Polyhydrocyanic acid
[化] 聚氢氰酸
🧩 词语组成解析
🗣️ 情景例句
Richard feels we need to find a small house. Richard
觉得我们需要一个小住宅。
It is right to put everything in its proper use.
凡事都应该用得其所。
What's it about?
它是讲什么的？