A:果脯(pǔ)殄(tiǎn)灭荫(yìn)凉牵强(qiǎng)附会
B:掉色(sè)颔(hàn)首劲(jìng)爆天遂(suì)人愿
C:卸载(zǎi)逮(dài)捕间(jiān)隙怏(yàng)怏不乐
D:道行(héng)偌(ruò)大刷(shuà)白请君入瓮(wèng)
The restaurant is nice and the food is not bad. I still prefer eating at home.
在匀强磁场中有一个原来静止的碳14原子核,它放射出的粒子与反冲核的径迹是两个内切的圆,两圆的直径之比为7:1,如图所示,那么碳14的衰变方程为( )