() a person who trains sb to do sth or gives lessons or advice 教练；培训师◆Coaches can help you become a better business leader. 培训师可以帮助你成为一位更好的企业领导者。⨁a business / career / executive / team coach 企业／职业／行政／团队培训师
() a comfortable bus for carrying passengers over long distances 长途客车；长途汽车◆Travel is by coach to Berlin. 乘长途客车去柏林旅行。
() the cheapest seats in a plane （飞机的）经济舱◆to fly coach 坐飞机经济舱⨁coach fares / passengers / seats 飞机经济舱票价／旅客／座位