Jad
联合应用开发（Joint Application Development）
🗣️ 情景例句
She's moving up the ranks one step at a time.
他一步一步的向上爬。
I did three loads of wash today.
我今天洗了三次衣服。
They told us to go home but we went on.
他们要我们回家去，可我们继续行进。