Porgressive error
[化] 累计误差
🧩 词语组成解析
🗣️ 情景例句
The match was postponed to the following Saturday because of bad weather.
比赛因天气不好而延期到下个星期六进行。
I tried to call you, but the line was busy.
我试着给你打电话，但老占线。
I had a letter from my sister yesterday.
昨天我收到了姐姐的一封信，