柯林斯詞典estuary /??stj??r?/ (estuaries) 1. N-COUNT/N-IN-NAMES An estuary is the wide part of a river where it joins the sea. 河口 Sturgeon fishing has been pretty good in the estuary. 鱘魚捕撈在這個河口一直很好。 返回 estuary劍橋詞典the wide part of a river at the place where it joins the sea （江河入海的）河口 the Thames estuary 泰晤士河河口 the Rance estuary 朗斯河河口 返回 estuary