Studio classroom 20100112
Atlantic 大西洋
Pacific 太平洋
solo 单独的
fly solo 单独飞行
duet 只能指双重唱
trio 三重唱，三重演奏
travel solo, travel in pairs, travel in threes.
双人组合 a duo, 三人组合 a trio.
navigator 领航员
leg
the last leg of our European trip 我们欧洲之行的最后一站
courageous adj有勇气的，勇敢的
He is courageous fireman who has saved many people's lives.
It's very courageous of you to tell the truth.
dub
Sean was dubbed "Prince" by his classmates because he adores himself so much.
The press has dubbed her "the Diva forever".
objective 目标
The objective of this session is to help trainees express themselves verbally.
The objective of this fund raising campaign is to collect one million dollars.