Noropianic acid
[化] 降鸦片酸
🧩 词语组成解析
🗣️ 情景例句
When you have nothing to do, time goes slowly.
你没事做时，时间便过得很慢。
I want to make an overseas call to the United States?
我想打个电话到美国去。
What is it? asked the man.
“什么事？”楼上人问。