Dirac's theory also predicted a negatively charged sister for the proton, called the antiproton.狄喇克的理论还预言有一种质子的姐妹粒子,带负电荷, 叫做反质子.Similarly the positively charged proton has a negatively charged antiparticle, the anti...
我军俘获敌军500人.Our army captured 500 of the enemy.俘获者对待囚犯异常凶残，违反一切国际法律。The treatment of the prisoners by their captors is atrocious and breaks all international laws.他们是那些看不见的俘获者手中的权力斗争工具。They are the pawns in the power game...
Armed only with a BBC microphone, I travelled across South Africa meeting writers.仅仅凭借着一支英国广播公司的话筒，我走遍了南非，会见了许多作家。These camels travelled enormous distance over the desert regions.这些骆驼在沙漠里长途跋涉.He travelled by tube.他乘地铁旅行。...