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
It's not necessary to whisper, Harry.
没有必要压低声音说话， Harry。
The apple will be eaten quickly.
我能立刻吃掉一个苹果。
It is clear that the cat has eaten it!
很明显，是猫偷吃的！