Ppt
[计] 主程序操作员接口任务\\n[化] 万亿分率
🗣️ 情景例句
It was a pleasure meeting you, too.
我也很高兴碰到你。
Measure thrice before you cut once.
三思而后行。
I had a letter from my sister yesterday.
昨天我收到了姐姐的一封信，