èrshíyì
二十亿
hèzī
赫兹
diànlù
电路
รายการคำศัพท์
  • two billion[cedict]
èr shí yìㄦˋ ㄕˊ ㄧˋ
  • Hertz (name); Heinrich Hertz (1857-1894), German physicist and meteorologist, pioneer of electromagnetic radiation; Herz (Hz) or cycles per second, unit of frequency[cedict]
  • (electric) circuit[cedict]
diàn lùㄉㄧㄢˋ ㄌㄨˋ