at service
at sea英 [æt si:] 美 [æt si] adv.在大海上,迷...
at sight英 [æt sait] 美 [æt saɪt] 释义一看到...
at short notice英 [æt ʃɔ:t ˈnəutis] 美 [æt ʃɔrt ˈnotɪs] ...
at school英 [æt sku:l] 美 [æt skul] adv...
at someone's best
at some stage
at some point英 [æt sʌm pɔint] 美 [æt sʌm pɔɪnt] ...
at sixes and sevens adv.乱七八糟,不和;横七竖八;...
at sight of英 [æt sait ɔv] 美 [æt saɪt ʌv] ...
at someone's disposal 释义供某人支配;
at someone's mercy
at someone's fingertips
at someone's convenience
at someone's heels
at stake英 [æt steik] 美 [æt stek] adv....
at sunset英 [æt ˈsʌnset] 美 [æt ˈsʌnˌsɛt] ...
at someone's service
at sunrise英 [æt ˈsʌnraiz] 美 [æt ˈsʌnˌraɪz] ...
at someone's own pace