Thalweg
最深谷底线
🔁 扩展释义
【法】 航道分界线
🗣️ 情景例句
Never say die.
永不气馁！
This nation is noted for its economic stability.
这个国家以它的经济的稳定性闻名。
Carlyle was entirely ignorant of what the bottle in his pocket contained,
卡莱尔不知道药瓶子里装的是什么药，