首页英语词典thth英英释意

th

[tietʃ]
  • abbr. 真实航向(True Heading)

英英释意


1. the fifth day of the week; the fourth working day
2. a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands