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C245 · 复杂句（76 课）
The archeologists were astonished by the previously overlook
Course 245
(难)The archeologists were astonished by the previously overlooked foundations.
1 句 · 父母与孩子分角色配音
旁白 neutral
The archeologists were astonished by the previously overlooked foundations
考古学家们对之前被忽视的地基感到震惊
