Metallocyanide
氰化金属
🗣️ 情景例句
Rules are meant to be followed, not broken.
规则制订出来是让人遵守，而不是让人破坏。
We tried in vain to make him change his mind.
我们试图使他改变他的主意，但白费力气。
I must always keep on trying to do my best.
我必须始终继续作出最大的努力。