registered letter with receipt
[registered letter with receipt] 指要求回执的挂号信 [paint a picture with two brushes at the same time;do two things at a time] 指同时并用两管笔作画,比喻两方面同时进行或两种...
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registered letter with receipt
带收据的挂号信
以上为机器翻译结果,长、整句建议使用 人工翻译 。