BR 📖 中文释义 [计] 总线请求[化] 生物试剂 🧩 词形变化 比较级 brer现在分词 brring最高级 brest 📘 English Definition(英文释义) n a nonmetallic heavy volatile corrosive dark brown liquid element belonging to the halogens; found in sea water ← bq B 字母词表 bra →