寻找: to seek, to look for...
两栖: amphibious, dual-talented, able to work in two different lines...
爱戴: to love and respect, love and respect...
早已: long ago, for a long time...
人类: humanity, human race, mankind...
乐: music...
国际: international...
外文: foreign language (written)...
坐: to sit, to take a seat, to take (a bus, airplane etc), to bear fruit, variant of...
义工: volunteer worker, volunteer work...