Polybromohydrocarbon
[化] 多溴烃; 多溴代烃
🗣️ 情景例句
Good-bye. Take care of yourself.
多多保重，再见。
He has spent over six years working in Africa and India.
在非洲和印度工作了六年。
Could you come here, please? I want some help.
你能来这儿一下吗？我需要帮忙。