🧩 词语组成解析
邮局, 邮政汇票\\n[医] 口服, 经口
river
['rivə]
n. 河，江;溪，巨流;
🗣️ 情景例句
Let's get engaged.
我们订婚吗？
Fishing is often frustrating.
钓鱼常常会遭到挫败。
when he knew that he was dying, he made me promise to go on my own.
他知道自己已奄奄一息，于是他要我答应一定单独回故乡一趟。