Signed packed decimal
[计] 带称号压缩十进制
🧩 词语组成解析
signed
[saind]
adj. 有符号的，有正负之分的;
packed
[pækt]
adj. 充满…的;塞满了…的;
v. 包装(pack的过去式和过去分词);
🗣️ 情景例句
Charles Maxwell lived up to his word.
Charles Maxwell兑现了他的诺言。
To run a race
竞争
As soon as I tap on the window, you must stop within five feet.
我一敲车窗，你必须把车停在5英尺之内。