他击出了一记本垒打。He hit a homer.也就是说,已经不服用兴奋剂的棒球手,打出的本垒打仍可能和兴奋剂有关.Which means a clean ballplayer can still hit a dirty home run.在第六回合他打出了他的第十二次本垒打.He poled his twelfth home run in the sixth inning....

“本垒打”的英语可以翻译为：homerhome run ...