Pentahydroxy-acid
[化] 五羟基酸
🧩 词语组成解析
🗣️ 情景例句
It really was a wonderful ceremony.
那真是一个美好的（结婚）典礼。
Do you know the boy whose aunt is an artist?
你知道那男孩的姑妈是艺术家?
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。