《史记·八书·封禅书》
只有五月的尝驹祭以及天子亲行郊祀礼时才用真正的驹作牺牲。
独五月尝驹，行亲郊用驹。
Only the Offering to a Young Horse in May and the imperial sacrifices to the gods and the imperial ancestral temple used real horses as sacrifices.
<s>[INST] First, translate the Classical Chinese text into modern Chinese and then into English. Classical Chinese: 独五月尝驹，行亲郊用驹。 [/INST] 只有五月的尝驹祭以及天子亲行郊祀礼时才用真正的驹作牺牲。 Then, Only the Offering to a Young Horse in May and the imperial sacrifices to the gods and the imperial ancestral temple used real horses as sacrifices.</s>
First, translate the Classical Chinese text into modern Chinese and then into English. Classical Chinese: 独五月尝驹，行亲郊用驹。
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只有五月的尝驹祭以及天子亲行郊祀礼时才用真正的驹作牺牲。 Then, Only the Offering to a Young Horse in May and the imperial sacrifices to the gods and the imperial ancestral temple used real horses as sacrifices.
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