stand-ins在句中意思，高手答。

来源：百度知道 编辑：UC知道 时间：2024/05/26 10:07:38
Marine birds in the central and portions of the California Current marine ecosystem knew from previous El Ninos and other basin-scale events that birds can serve as stand-ins for more difficult-to-study marine organisms.
谢谢

替代物
birds can serve as stand-ins for more difficult-to-study marine organisms.
鸟类可以替代更为复杂的海洋生物。

加利福尼亚海流中部及其它部分生态系统中的海鸟对之前的厄尔尼诺现象和其它大规模事件的预测表明,鸟类可以帮助探索难以研究的海洋现象.