southwestern margin的用法和樣例：
例句
- Renziping seg is a sub-depression of Cenozoic Qinxian Basin in Guangxi Province.Oil shale exploration area situates on the southwest margin of the basin.
摘要稔子坪油頁巖勘查區是廣西新生代欽縣盆地的一個次級凹陷，位于盆地西南邊緣。 - For the many Goldman executives who visit New York for meetings in midtown Manhattan, the hotel's location on the far southwestern edge of the island is inconvenient.
對許多來紐約曼哈頓中城開會的公司高管來說，這個位于曼哈頓島西南邊緣的酒店在交通方面還是不太方便。
