来源: source (of information etc), origin...
氧气: oxygen...
歌词: song lyric, lyrics...
频道: frequency, (television) channel...
家教: family education, upbringing, to bring sb up, private tutor...
饱和: saturation...
迎接: to meet, to welcome, to greet...
方向: direction, orientation, path to follow...
催促: to urge...
前年: the year before last...