River system
[经] 河川系统
🧩 词语组成解析
river
['rivə]
n. 河，江;溪，巨流;
🗣️ 情景例句
No way!
没门！
Custom is a second nature.
习惯是第二天性。
A huge iceberg was suddenly spotted by a lookout.
突然，了望员发现一座冰山。