让人感到高兴、有意思的某种特点

replace, substitute for, replacement, supersede, substitute, supersession, supplant, displace, preempt, outplace, take the place of, displacement

歌曲、乐曲的音乐部分

the whole distance, from beginning to end

物体所处的方向和位置

invoke, resort, seek help, recur, bring_in, turn to ... for help, appeal