Cyanhydric acid
[医] 氢氰酸
🧩 词语组成解析
🗣️ 情景例句
John proposed marriage to Helen.
绚翰向沦论求婚。
What''s the cause of the delay?
什么原因延误？
Tomorrow evening they will be singing at the Workers' Club.
明晚他们将在工人俱乐部演出。