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th英英释义-圆博士

首页英语词典thth英英释意

th

[tietʃ]

英英释义实用场景例句

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