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at one time
英汉字典
英英字典
解释
同时;
一次;
曾经;
同义
at a time
at once
at one time
词性
r
解释
simultaneously
示例
he took three cookies at a time
同义
once
at one time
formerly
erst
erstwhile
词性
r
解释
at a previous time
示例
at one time he loved her|her erstwhile writing|she was a dancer once