observed two days before
两天前观察到
以上为机器翻译结果，长、整句建议使用 人工翻译 。
But during two days in May 1996, Dr Frantzis observed something that he had never seen before a dozen beaked whales stranded as individuals, rather than a group, along a 40km (25 mile) stretch of coast.
ECONOMIST: Quiet, please. Whales navigating
应用推荐
模块上移
模块下移
不移动