A duty call
礼节上的访问
🧩 词语组成解析
call
[kɔl]
v. 呼唤，喊叫;召唤，叫来，召集;下令，命令;打电话给;
n. 喊叫，大声喊;电话联络;必要，理由;要求;
🗣️ 情景例句
Oh, I see. I've had lots of work to do in New York.
哦，原来如此。我在纽约也有好多工作要做。
The post office is two blocks straight ahead, You can't miss it.
那邮局一直向前走过两条街，很好找。
Workers will have completed the new roads by the end of this year.
工人们将在今年年底前把新路铺好；