Complete preteins
[医] 完全蛋白
🧩 词语组成解析
🗣️ 情景例句
International travel involves a lot of waiting around in airports.
经常在机场等候是环球旅行的一部分。
This is Tom. He's my classmate.
这是汤姆。我的同学。
Forty-two years later a tunnel was actually begun.
42年以后，隧道实际已经开始建了。