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
同义词:thorium, atomic number 90
Th例句
Th woman was delighted at the recovery of her stolen jewels.
那位妇人对找回被盗的珠宝感到非常高兴。
Th详细解释
.thabbr.(略语) Thailand [in Internet addresses] Thailand[in Internet addresses]