🧩 词语组成解析
river
['rivə]
n. 河，江;溪，巨流;
dolphin
['dɑlfɪn]
n. 海豚;（码头的）系船柱;
🗣️ 情景例句
I'm still learning.
我还在学习当中。
Good idea!
真是个好主意！
To varying degrees, we all have secrets which we do not want even our closest friends to learn,
尽管我们人人都有各种大小秘密。连最亲密的朋友都不愿让他们知道，