Dtf
资料传输因数（data transmission factor）
🗣️ 情景例句
Don't be so sensitive.
别太敏感。
A group of us went out to the theater last night.
我们一群人昨晚去外面到剧院。
They are too high. Be careful, Jim! It's dangerous.
它们太高了，小心，吉姆！那很危险。