board – n. a group of people who have been chosen to learn information about something, to give advice, etc.

spokesman – n. someone who speaks for or represents a person, company, etc.

clear-cut – adj. free from doubt or uncertainty; very definite

aircraft – n. a machine (such as an airplane or a helicopter) that flies through the air
 2/3   首页 上一页 1 2 3 下一页 尾页