它们的视力比人类好，而且经过训练，能够辨认出在海上的失踪者穿着的橙色救生衣。

They have better eyesight than human and have been trained to spot orange life jackets of people lost at sea.

youdao

他是一个老人，独自在海上的一条小船上钓鱼。至今出海84天了，他一条鱼也没钓到。

He was an old man who fished alone in a small boat on the sea and he had gone eighty-four days now without taking a fish.

youdao

在该世纪后期，科学家和技术人员开始研究烟花的实际用途，比如利用烟花帮助水手确定他们在海上的位置。

Later in the century scientists and technicians started to look at the practical purposes for which fireworks might be employed, such as using rockets to help sailors establish their position at sea.

youdao

It's for this second printing that Milton adds the headnote that you see here that now begins the poem: "In this Monody the Author bewails a learned Friend, unfortunately drown'd in his Passage from Chester on the Irish Seas, 1637."

在第二版中，他加上了眉批,你们现在都能看到：,“周一作者缅怀了一位，不幸于1637年在爱尔兰海上,溺水而亡的挚友“

耶鲁公开课 - 弥尔顿课程节选

Hesiod is not alone in saying, for God's sake try not to take a voyage at sea because your chances of coming back are really bad, which was a reality to a degree.

赫西奥德不是唯一一个说,看在上帝的份上不要试图在海上航行,因为你几乎不可能返航,在某种程度上这是实话

耶鲁公开课 - 古希腊历史简介课程节选

We forget about the enormous trading vitality of Asia, even sea vitality and land vitality at the same time, but they are without any question by this point-- with the decline of the Spanish empire, which begins before this course-- the Dutch and the English.

我们先不考虑亚洲大量的贸易活动,包括同时的陆上和海上贸易,在十七世纪之前,随着西班牙帝国的衰退,欧洲最大的贸易实体,毫无疑问是荷兰和英国

耶鲁公开课 - 欧洲文明课程节选