🧩 词语组成解析
upper
['ʌpə]
adj. 地位较高的;上面的;内地的;地表层的;
n. 鞋帮，靴面;兴奋剂;令人兴奋的经历;
n. 埃文河（英国西南部一河）；雅芳（化妆品品牌）
river
['rivə]
n. 河，江;溪，巨流;
🗣️ 情景例句
using as many letters as possible.
尽可能多用字母，
His name is John Smith.
他叫约翰、史密斯。
I think so. But he seemed rather tired last night.
我想睡得好。但昨晚他看起来有点累。