🧩 词语组成解析
n. 海豚属；海豚星座
海豚
🗣️ 情景例句
Nervous?
紧张？
To operate a steam locomotive
驾驶蒸汽机车
My name is Wu Jun. This is our first lesson, so I don't know all your names.
我叫吴军。这是我们第一次上课，所以我认不全你们的名字。