. "at one time"@en-us . . . "0"^^ . . "400155472"@en-us . . "00153261-r"^^ . "400153261"^^ . "at a time"^^ . "at once"@en-us . "simultaneously; \"he took three cookies at a time\""@en-us . "at a time"@en-us . "0"^^ . .