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
Is that too many?
是不是太多了？
The buyer has the option of cancelling the contract.
买主有权撤消合同。
The cave led back into the rockface and the earth by the entrance was dry.
岩洞迂回延伸到岩面里，靠近洞口的土是干的。