英语词汇“firsthand evidence”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	firsthand evidence
释义	firsthand evidence 基本例句第一手证据 The evidence for feeding that we observed firsthand in the defecation trails was corroborated in the ship's laboratory.我们由排便轨迹观察到的蓝鲸在此进食的第一手证据，在船上的实验室里得到了进一步支持。
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