🧩 词语组成解析
river
['rivə]
n. 河，江;溪，巨流;
🗣️ 情景例句
What happened?
怎么啦？
We have an extended warranty available at extra cost.
对于额外价钱我们有较长的保证期限。
Jim, could you help me, please?
吉姆，你能帮我吗？