钋是高放射性的元素,金属.Polonium is a highly radioactive element and a metalloid.两个遗留有钋的星球被一些不明原因突然破坏.Two old plutonium disposal plants damaged at once by some unestablished reason.钋的同位素在自然界中的确存在,但是相当罕见.The isotope does occur in na...
Trailing zeroes in the decimal portion are discarded.在小数部分尾数加0将被废弃.Tester must read all zeroes.检测器读数必须都为零.With a power - on reset functions, namely, the DAC registers reset to all zeroes.带有上电复位功能, 即把DAC寄存器复位至全零....
我听到戴维高声喊叫着要他们回来。I heard David yelling and telling them to get back.他们讥讽着，喊叫着，打破了惯常的那一分钟沉默。They interrupted the customary one minute's silence with jeers and shouts.为了一睹英雄的风采，人群喊叫着，推搡着。Crowds shouted and pushed to ge...