1.McMaster is in a runoff for his party's nomination with voters going to the polls Tuesday.
runoff 决赛
There will be a runoff between these two candidates on December 9th.
在12月9日,将举行这两位候选人的决胜选举 。
2.He's meeting with his Chinese counterparts to discuss issues including North Korea's nuclear program.
counterpart 对应的人或物
As soon as he heard what was afoot, he telephoned his German and Italian counterparts to protest.
他一听到在进行中的事,马上就给德国和意大利相应人员打电话抗议 。