Nist
[计] 美国国家标准及技术研究所
🗣️ 情景例句
Did you look at them?
你看过了吗？
San Diego. I got back yesterday.
圣地亚哥，我昨天才回来。
Hello, Jim! Did you have a good time at the cinema?
你好，吉姆！你在电影院过得很开心吧？