overboard [ˈəʊvəbɔ:d]

以下由轻松背单词网站提供

adv.向船外，从船上落入水中

over the side of a boat or ship and into the water

A sailor fell overboard and was rescued. 一个船员从船上落入水中，被救了上来了。
Don't throw that box overboard. 别把那只箱子抛入水中。