Hcn
[医][=hydrocyanic acid]氢氰酸
🗣️ 情景例句
OK.
喂。
A thousand words will not leave so deep an impression as one deed.
千言万语不如一个行动。
Before very long the parents will be complaining that the child is so secretive and never tells them anything,
不要很久，家长就会抱怨孩子守口如瓶，什么事也不告诉他们，