Aerocasing
氰化钙液体氰化法, 钙盐氰化
🗣️ 情景例句
I would like to send this by registered mail, please.
我想把这封信挂号寄出。
Don't take any chances.
不要存侥幸心理。
Please remember me to your wife.
请代我向你的夫人问候。