英语单词分类 轻松记单词

bk

bk基本解释

abbr.锫(=berkelium)

abbr.退格;回格(=backspace)

bk同义词

  • berkelium锫(放射性元素...

bk英英释义

Noun:
  • a radioactive transuranic element; discovered by bombarding americium with helium