单词	be to do sth
释义	请查阅be to do something
随便看	stretched stretcher stretcher-bearer stretcher bearer stretcherbearer stretchered stretchers stretches stretchier stretchiest stretching stretch limo stretch-limo stretchlimo stretch limos stretch mark stretchmark stretch-mark stretch out stretch patience stretch sb credulity stretch sb patience stretch somebody's credulity stretch somebody's patience stretch (somebody's) patience/credulity 词语词典词语词典词语词典词语词典词语词典词语词典词语词典词语词典词语词典词语词典永久ガス永久中心永久伸び永久分極永久双極子永久双極子モーメント永久地絡永久変形永久廃棄永久機関