Borobutane
丁硼烷
🗣️ 情景例句
Your son?
你的儿子？
Can you help me out? I'm trying to find a post office.
你能帮我个忙吗？我想找个邮局。
The terrible secret is called 'a skeleton in the cupboard'.
惊人的秘密称作“柜中骷髅”。