Synchronousness
同步性
✅ 同义词
🗣️ 情景例句
I made a lunch date with him and his daughter weeks ago.
几星期前我约好和他以及他女儿共进午餐。
He already has a phonograph,but he doesn't have a radio yet.
他已经有一架留声机，但是他还没有收音机。
You speak English without an accent.
你说英语一点口音也没有。