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文件传输通讯协议
🗣️ 情景例句
When is check-out time?
什么时候必须结帐和离开宾馆？
One foot is better than two crutches.
一只脚胜过两根拐杖。
It was usually very quiet, and he could see the park from his window.
那儿通常很安静，从他的窗户他可以看见公园。