a·stern
adverb/əˈstɜːn/
/əˈstɜːrn/
(specialist)- in, at or towards the back part of a ship or boat
在船尾；向船尾 - with the wind and waves astern
风浪在后
- with the wind and waves astern
- if a ship or boat is moving astern, it is moving backwards
（指船）向后
Word Originlate Middle English: from a- (expressing position or direction) + the noun stern.