My eyes were becoming accustomed to the gloom.我的眼睛渐渐适应了黑暗。They are accustomed to this sort of work.他们惯于干这种工作.His eyes became accustomed to the dark after the brilliance of the sun outside.从阳光耀眼的室外走进来后，他的双眼开始适应了黑暗。...
双光子是在中性兀介子衰变中产生的.Two photons are created in the decay of the neutral pion.π介子构成另一种三重态, 只是电荷不同,其它方面均相同.The pions form another triplet, electrically different but otherwise alike.介子具有超荷性.Mesons have the property of hyperch...